The reading and the lecture are both about the reason for the extinction of sea cows. While the author of the article argues that three reasons why the sea cows extinct, the lecture disputes the claims presented in the article.
According to the reading, the first theory is over-hunted by Siberian people. The article mentions that sea cows are a good source of food, so it is possible that Siberian people eat it. This argument is challenged by the lecturer. He claims that it is hard for Siberian people to eat all of that. Additionally, he points out that sea cows are too big and Siberian people’s population is not very big, so it is impossible.
Secondly, the author suggests that during that time the ecosystem had disturbance. The article notes that their main food, Kelp, declined so it led them to die. The lecturer, however, asserts that it is not a reason for food. He goes on to say that whales also had their food affected by the ecosystem, but they did not decline.
Finally, the author puts forth the idea that fur traders are the main reason. The author contends that they can easily kill large numbers of sea cows. In contrast, the lecturer’s stance is that the date is incorrect. He says that before tur traders came to the island the sea cows had already declined.
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Transition Words or Phrases used:
also, but, finally, first, however, second, secondly, so, while, in contrast
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 3.0 7.30242825607 41% => More conjunction wanted.
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 31.0 22.412803532 138% => Less pronouns wanted
Preposition: 21.0 30.3222958057 69% => OK
Nominalization: 4.0 5.01324503311 80% => OK
Performance on vocabulary words:
No of characters: 1070.0 1373.03311258 78% => OK
No of words: 229.0 270.72406181 85% => More content wanted.
Chars per words: 4.67248908297 5.08290768461 92% => OK
Fourth root words length: 3.89008302616 4.04702891845 96% => OK
Word Length SD: 2.4494430329 2.5805825403 95% => OK
Unique words: 124.0 145.348785872 85% => More unique words wanted.
Unique words percentage: 0.541484716157 0.540411800872 100% => OK
syllable_count: 321.3 419.366225166 77% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 3.25607064018 154% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 15.0 21.2450331126 71% => The Avg. Sentence Length is relatively short.
Sentence length SD: 24.2904645214 49.2860985944 49% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 71.3333333333 110.228320801 65% => OK
Words per sentence: 15.2666666667 21.698381199 70% => OK
Discourse Markers: 5.06666666667 7.06452816374 72% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 7.0 4.45695364238 157% => OK
Sentences with neutral sentiment: 7.0 4.27373068433 164% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.15416942817 0.272083759551 57% => OK
Sentence topic coherence: 0.0488553344709 0.0996497079465 49% => OK
Sentence topic coherence SD: 0.0636975134729 0.0662205650399 96% => OK
Paragraph topic coherence: 0.099774100088 0.162205337803 62% => OK
Paragraph topic coherence SD: 0.0726346044583 0.0443174109184 164% => OK
Essay readability:
automated_readability_index: 8.2 13.3589403974 61% => Automated_readability_index is low.
flesch_reading_ease: 73.17 53.8541721854 136% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 6.8 11.0289183223 62% => OK
coleman_liau_index: 9.21 12.2367328918 75% => OK
dale_chall_readability_score: 7.62 8.42419426049 90% => OK
difficult_words: 47.0 63.6247240618 74% => More difficult words wanted.
linsear_write_formula: 6.5 10.7273730684 61% => OK
gunning_fog: 8.0 10.498013245 76% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
---------------------
Rates: 60.0 out of 100
Scores by essay e-grader: 18.0 Out of 30
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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.