The ancient Oppo tribe has long been thought to have hunted only with wooden spears because none of their cave paintings depict bows or arrows. Recently, however, flint arrowheads have been found among the fossilized bones of ibex, animals thought to be a staple of the Oppo tribe's diet. Since these finds were made on land previously inhabited by the Oppo tribe, it follows that the Oppo used both spears and arrows to hunt.
The following argument is flawed for numerous reasons. Primarily, the argument is based on the unwarranted assumptions that the Oppo tribe hunted with wooden spears for a very long time, rendering its main conclusion, that the Oppo tribe used both spears and arrows to hunt, invalid.
The argument fails to provide any justification that cave paintings is an historical evidence which denotes tools used by the Oppo tribe for hunting. Had the argument provided information regarding the historical evidence, it would have to prove that the cave paintings were not due to tribe previously inhibited the land before the ancient Oppo tribe.
The argument also leaves many other unanswered questions. Even if flint arrowheads is discovered among the decay of ibex animals, it does not assert that the tribe used arrows to hunt. During the ancient Oppo tribe live, neighboring tribe, with more developed tools, might invade their land; taking over their resources and hunting their animals for certain period. This might be the reason while arrow head is found in the remains of dead ibex animal.
Finally, the argument claims without warrant that ibex animal is part of the Oppo tribe's diet. So even if we assume that ibex animal is nutritional to the tribe, the argument is still lacking because it does not provide evidence about the biological and physical appearance of the tribe.
Because the argument makes several unwarranted assumptions, it fails to make a convincing case that the Oppo tribe used both spears and arrows to hunt.
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Comments
Essay evaluations by e-grader
Transition Words or Phrases used:
also, finally, if, regarding, so, still, while, in conclusion
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 19.6327345309 51% => More to be verbs wanted.
Auxiliary verbs: 3.0 12.9520958084 23% => OK
Conjunction : 4.0 11.1786427146 36% => More conjunction wanted.
Relative clauses : 9.0 13.6137724551 66% => More relative clauses wanted.
Pronoun: 18.0 28.8173652695 62% => OK
Preposition: 24.0 55.5748502994 43% => More preposition wanted.
Nominalization: 14.0 16.3942115768 85% => OK
Performance on vocabulary words:
No of characters: 1295.0 2260.96107784 57% => More number of characters wanted.
No of words: 251.0 441.139720559 57% => More content wanted.
Chars per words: 5.1593625498 5.12650576532 101% => OK
Fourth root words length: 3.98032404683 4.56307096286 87% => OK
Word Length SD: 2.50871403962 2.78398813304 90% => OK
Unique words: 140.0 204.123752495 69% => More unique words wanted.
Unique words percentage: 0.557768924303 0.468620217663 119% => OK
syllable_count: 410.4 705.55239521 58% => syllable counts are too short.
avg_syllables_per_word: 1.6 1.59920159681 100% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 4.96107784431 101% => OK
Article: 6.0 8.76447105788 68% => OK
Subordination: 2.0 2.70958083832 74% => OK
Conjunction: 0.0 1.67365269461 0% => OK
Preposition: 2.0 4.22255489022 47% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 11.0 19.7664670659 56% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 22.0 22.8473053892 96% => OK
Sentence length SD: 56.862600819 57.8364921388 98% => OK
Chars per sentence: 117.727272727 119.503703932 99% => OK
Words per sentence: 22.8181818182 23.324526521 98% => OK
Discourse Markers: 5.54545454545 5.70786347227 97% => OK
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 0.0 5.25449101796 0% => OK
Sentences with positive sentiment : 1.0 8.20758483034 12% => More positive sentences wanted.
Sentences with negative sentiment : 10.0 6.88822355289 145% => OK
Sentences with neutral sentiment: 0.0 4.67664670659 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.288449732269 0.218282227539 132% => OK
Sentence topic coherence: 0.10957068663 0.0743258471296 147% => OK
Sentence topic coherence SD: 0.0626810122385 0.0701772020484 89% => OK
Paragraph topic coherence: 0.160533048016 0.128457276422 125% => OK
Paragraph topic coherence SD: 0.0418081351859 0.0628817314937 66% => OK
Essay readability:
automated_readability_index: 14.3 14.3799401198 99% => OK
flesch_reading_ease: 49.15 48.3550499002 102% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 11.9 12.197005988 98% => OK
coleman_liau_index: 12.94 12.5979740519 103% => OK
dale_chall_readability_score: 8.57 8.32208582834 103% => OK
difficult_words: 61.0 98.500998004 62% => More difficult words wanted.
linsear_write_formula: 14.5 12.3882235529 117% => OK
gunning_fog: 10.8 11.1389221557 97% => OK
text_standard: 9.0 11.9071856287 76% => OK
What are above readability scores?
---------------------
Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 Out of 6
---------------------
Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.
Transition Words or Phrases used:
also, finally, if, regarding, so, still, while, in conclusion
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 19.6327345309 51% => More to be verbs wanted.
Auxiliary verbs: 3.0 12.9520958084 23% => OK
Conjunction : 4.0 11.1786427146 36% => More conjunction wanted.
Relative clauses : 9.0 13.6137724551 66% => More relative clauses wanted.
Pronoun: 18.0 28.8173652695 62% => OK
Preposition: 24.0 55.5748502994 43% => More preposition wanted.
Nominalization: 14.0 16.3942115768 85% => OK
Performance on vocabulary words:
No of characters: 1295.0 2260.96107784 57% => More number of characters wanted.
No of words: 251.0 441.139720559 57% => More content wanted.
Chars per words: 5.1593625498 5.12650576532 101% => OK
Fourth root words length: 3.98032404683 4.56307096286 87% => OK
Word Length SD: 2.50871403962 2.78398813304 90% => OK
Unique words: 140.0 204.123752495 69% => More unique words wanted.
Unique words percentage: 0.557768924303 0.468620217663 119% => OK
syllable_count: 410.4 705.55239521 58% => syllable counts are too short.
avg_syllables_per_word: 1.6 1.59920159681 100% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 4.96107784431 101% => OK
Article: 6.0 8.76447105788 68% => OK
Subordination: 2.0 2.70958083832 74% => OK
Conjunction: 0.0 1.67365269461 0% => OK
Preposition: 2.0 4.22255489022 47% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 11.0 19.7664670659 56% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 22.0 22.8473053892 96% => OK
Sentence length SD: 56.862600819 57.8364921388 98% => OK
Chars per sentence: 117.727272727 119.503703932 99% => OK
Words per sentence: 22.8181818182 23.324526521 98% => OK
Discourse Markers: 5.54545454545 5.70786347227 97% => OK
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 0.0 5.25449101796 0% => OK
Sentences with positive sentiment : 1.0 8.20758483034 12% => More positive sentences wanted.
Sentences with negative sentiment : 10.0 6.88822355289 145% => OK
Sentences with neutral sentiment: 0.0 4.67664670659 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.288449732269 0.218282227539 132% => OK
Sentence topic coherence: 0.10957068663 0.0743258471296 147% => OK
Sentence topic coherence SD: 0.0626810122385 0.0701772020484 89% => OK
Paragraph topic coherence: 0.160533048016 0.128457276422 125% => OK
Paragraph topic coherence SD: 0.0418081351859 0.0628817314937 66% => OK
Essay readability:
automated_readability_index: 14.3 14.3799401198 99% => OK
flesch_reading_ease: 49.15 48.3550499002 102% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 11.9 12.197005988 98% => OK
coleman_liau_index: 12.94 12.5979740519 103% => OK
dale_chall_readability_score: 8.57 8.32208582834 103% => OK
difficult_words: 61.0 98.500998004 62% => More difficult words wanted.
linsear_write_formula: 14.5 12.3882235529 117% => OK
gunning_fog: 10.8 11.1389221557 97% => OK
text_standard: 9.0 11.9071856287 76% => OK
What are above readability scores?
---------------------
Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 Out of 6
---------------------
Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.