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 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 argument rendered by the author is fallacious for numerous reasons.Based on dubious assumption and insufficient evidences, like the arrowhead found recently of an fossilized ibex and the findings where it is found is once residence of oppo tribe, the author came to conclusion that Oppo tribe used both spear heads and arrows to hunt.At first the evidences seems to be cogent enough but further reflection will posit many unanswered questions.
The author wrongly claim that the arrowhead of the fossilized ibex were used by the Oppo tribe as they prey upon this animal.But the claim is totally gratuitious,as it may be the case that some other tribe from another era used this arrowhead for their hunting. The claim should be profound if any scientific proof will be put forward about the age of this arrowhead. And if it matches with the timeframe of the Oppo tribe only then we may come to the conclusion presented by the author.
The premises cited by the author that the Oppo tribe used to live in the same location where the arrowhead was found to conclude that the arrowhead belongs to the oppo tribe is also dubious.The place may be the inhabitat of many tribes and civilized society after the Oppo tribes has been diminished. Even the residence of the oppo tribe is not good enough for the conclusion as it may be from the same time as of oppo tribe but the arrows were been used by some other tribe which went missing during any fight between tribes.The paintings on the caves also cited the profoundity of the previous perceived conceptions.
As a whole,we can say the evidences put forward by the author is not cogent enough to draw the above referred conclusion.
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Grammar and spelling errors:
Line 1, column 72, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Based
...thor is fallacious for numerous reasons.Based on dubious assumption and insufficient ...
^^^^^
Line 1, column 165, Rule ID: EN_A_VS_AN
Message: Use 'a' instead of 'an' if the following word doesn't start with a vowel sound, e.g. 'a sentence', 'a university'
Suggestion: a
...s, like the arrowhead found recently of an fossilized ibex and the findings where ...
^^
Line 1, column 339, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: At
...sed both spear heads and arrows to hunt.At first the evidences seems to be cogent ...
^^
Line 2, column 67, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...hat the arrowhead of the fossilized ibex were used by the Oppo tribe as they prey...
^^
Line 2, column 126, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: But
...ppo tribe as they prey upon this animal.But the claim is totally gratuitious,as it ...
^^^
Line 2, column 162, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , as
...mal.But the claim is totally gratuitious,as it may be the case that some other trib...
^^^
Line 3, column 58, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...d by the author that the Oppo tribe used to live in the same location where the a...
^^
Line 3, column 191, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: The
...longs to the oppo tribe is also dubious.The place may be the inhabitat of many trib...
^^^
Line 3, column 527, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: The
...missing during any fight between tribes.The paintings on the caves also cited the p...
^^^
Line 4, column 11, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma
Suggestion: , we
...vious perceived conceptions. As a whole,we can say the evidences put forward by th...
^^^
Transition Words or Phrases used:
also, but, first, if, may, so, then
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 18.0 19.6327345309 92% => OK
Auxiliary verbs: 8.0 12.9520958084 62% => OK
Conjunction : 8.0 11.1786427146 72% => OK
Relative clauses : 8.0 13.6137724551 59% => More relative clauses wanted.
Pronoun: 16.0 28.8173652695 56% => OK
Preposition: 37.0 55.5748502994 67% => OK
Nominalization: 6.0 16.3942115768 37% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1394.0 2260.96107784 62% => OK
No of words: 291.0 441.139720559 66% => More content wanted.
Chars per words: 4.79037800687 5.12650576532 93% => OK
Fourth root words length: 4.13022058845 4.56307096286 91% => OK
Word Length SD: 2.59833357597 2.78398813304 93% => OK
Unique words: 141.0 204.123752495 69% => More unique words wanted.
Unique words percentage: 0.484536082474 0.468620217663 103% => OK
syllable_count: 449.1 705.55239521 64% => OK
avg_syllables_per_word: 1.5 1.59920159681 94% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 4.96107784431 20% => OK
Article: 7.0 8.76447105788 80% => OK
Subordination: 2.0 2.70958083832 74% => OK
Conjunction: 2.0 1.67365269461 119% => OK
Preposition: 2.0 4.22255489022 47% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 7.0 19.7664670659 35% => 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: 41.0 22.8473053892 179% => The Avg. Sentence Length is relatively long.
Sentence length SD: 119.523373173 57.8364921388 207% => The lengths of sentences changed so frequently.
Chars per sentence: 199.142857143 119.503703932 167% => OK
Words per sentence: 41.5714285714 23.324526521 178% => OK
Discourse Markers: 5.0 5.70786347227 88% => OK
Paragraphs: 4.0 5.15768463074 78% => More paragraphs wanted.
Language errors: 10.0 5.25449101796 190% => OK
Sentences with positive sentiment : 0.0 8.20758483034 0% => More positive sentences wanted.
Sentences with negative sentiment : 2.0 6.88822355289 29% => More negative sentences wanted.
Sentences with neutral sentiment: 5.0 4.67664670659 107% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.215609920175 0.218282227539 99% => OK
Sentence topic coherence: 0.104958622113 0.0743258471296 141% => OK
Sentence topic coherence SD: 0.0540066346545 0.0701772020484 77% => OK
Paragraph topic coherence: 0.119156565136 0.128457276422 93% => OK
Paragraph topic coherence SD: 0.0709406854278 0.0628817314937 113% => OK
Essay readability:
automated_readability_index: 21.9 14.3799401198 152% => OK
flesch_reading_ease: 38.32 48.3550499002 79% => OK
smog_index: 11.2 7.1628742515 156% => OK
flesch_kincaid_grade: 18.1 12.197005988 148% => OK
coleman_liau_index: 11.39 12.5979740519 90% => OK
dale_chall_readability_score: 9.03 8.32208582834 109% => OK
difficult_words: 62.0 98.500998004 63% => More difficult words wanted.
linsear_write_formula: 30.0 12.3882235529 242% => Linsear_write_formula is high.
gunning_fog: 18.4 11.1389221557 165% => OK
text_standard: 12.0 11.9071856287 101% => OK
What are above readability scores?
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Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 Out of 6
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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.