Summerise the points made by the lecturer and how they refute the author's points.
The lecturer and the author both discuss the Roman navy attack on the Greek port city of Syracuse and the use of mirrors to burn enemy ships from afar during the battle. The author provides three points to undermine this historical theory; however, the lecturer challenges those ideas by providing counter-arguments to the author’s.
To begin with, the author argues that the ancient Greeks did not possess sufficient knowledge and technology to create single sheets, several meters wide, with specific parabolic curves, to set fire to enemy ships. On the contrary, the lecturer points out that these mirrors could be made of several smaller sheets. Moreover, she argues that the Greek mathematicians had sufficient knowledge of parabolic curves to form the specific curvature needed for the mirror to focus sunlight.
Next, the author claims that a prerequisite for a successful attack is for the burning mirror to be focused on a single point for a long time, which would be unlikely with enemy ships continually moving. To further support this idea, he discusses an experiment in which it took 10 minutes for a wooden object to ignite with burning mirrors. In contrast, the lecturer questions the author's assumption of setting fire to the wood. She explains that what the burning mirrors would set fire to, was not the wood itself but the materials used in the gaps of the wooden panels to make the vessels waterproof. She says that these materials would quickly and in seconds combust with burning mirrors, leading to a widespread fire on the ship.
On the last note, the author proposes that the Greeks possessed another effective weapon, flaming arrows, for fighting approaching ships on the see, thus making the use of burning mirrors obsolete. Yet again, the lecturer argues that the Roman soldiers would be aware of flaming arrows and would be prepared to put the fire out. Conversely, they could not see the rays of light from burning mirrors and would be caught off guard if suddenly their ships would catch fire, which would make the burning mirrors an effective weapon.
To conclude, the author suggests three points to undermine the theory of Greeks using burning mirrors in the Roman invasion. At the same time, the lecturer presents counterpoints to the author's statement, rebutting his argument.
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Grammar and spelling errors:
Line 3, column 382, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'authors'' or 'author's'?
Suggestion: authors'; author's
...In contrast, the lecturer questions the authors assumption of setting fire to the wood....
^^^^^^^
Line 5, column 186, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'authors'' or 'author's'?
Suggestion: authors'; author's
... lecturer presents counterpoints to the authors statement, rebutting his argument.
^^^^^^^
Transition Words or Phrases used:
but, conversely, however, if, moreover, second, so, thus, in contrast, on the contrary, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 8.0 10.4613686534 76% => OK
Auxiliary verbs: 10.0 5.04856512141 198% => OK
Conjunction : 8.0 7.30242825607 110% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 22.0 22.412803532 98% => OK
Preposition: 54.0 30.3222958057 178% => OK
Nominalization: 4.0 5.01324503311 80% => OK
Performance on vocabulary words:
No of characters: 1939.0 1373.03311258 141% => OK
No of words: 382.0 270.72406181 141% => Less content wanted.
Chars per words: 5.07591623037 5.08290768461 100% => OK
Fourth root words length: 4.42095241839 4.04702891845 109% => OK
Word Length SD: 2.56438299419 2.5805825403 99% => OK
Unique words: 195.0 145.348785872 134% => OK
Unique words percentage: 0.510471204188 0.540411800872 94% => More unique words wanted or less content wanted.
syllable_count: 575.1 419.366225166 137% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 3.25607064018 154% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 9.0 2.5761589404 349% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 25.0 21.2450331126 118% => OK
Sentence length SD: 39.2419276908 49.2860985944 80% => OK
Chars per sentence: 129.266666667 110.228320801 117% => OK
Words per sentence: 25.4666666667 21.698381199 117% => OK
Discourse Markers: 6.73333333333 7.06452816374 95% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 13.0 4.45695364238 292% => Less negative sentences wanted.
Sentences with neutral sentiment: 1.0 4.27373068433 23% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.170197746129 0.272083759551 63% => OK
Sentence topic coherence: 0.0726881316934 0.0996497079465 73% => OK
Sentence topic coherence SD: 0.0722242403924 0.0662205650399 109% => OK
Paragraph topic coherence: 0.121965439051 0.162205337803 75% => OK
Paragraph topic coherence SD: 0.060400356867 0.0443174109184 136% => OK
Essay readability:
automated_readability_index: 15.2 13.3589403974 114% => OK
flesch_reading_ease: 54.56 53.8541721854 101% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 12.48 12.2367328918 102% => OK
dale_chall_readability_score: 8.64 8.42419426049 103% => OK
difficult_words: 91.0 63.6247240618 143% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 12.0 10.498013245 114% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.