rustypolymath wrote:
"Or" is used to indicate a conflict giving rise to a necessary dichotomy, whereas "conflicting" has already done so. We are referring to a group of scientific studies taken together and not one after another individually. This is why:
we would say: "Each of several scientific studies cites either the tomato sauce or the bottom of the cheese topping..."
we would say: "Several conflicting scientific studies cite the tomato sauce or the bottom of the cheese topping..."
As for "part" versus "parts," "parts" in this case would imply that the same scientific study cites both the tomato sauce AND the bottom of the cheese topping. Given the conflict at play, however, it is pretty clear that each study is in agreement at least on the point that there is only one part of a pizza most likely to burn the roof of the mouth.
E, meanwhile, is just a little bit convoluted. "It has been claimed that..." is a common and aesthetically acceptable use of the "it" as a subject opener, but "It has been cited that..." is a bit mentally jarring.
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ravish wrote:
Correct me if I am wrong but is the meaning of the original sentence basically that, there are different studies being conducted concurrently , some that state that the tomato sauce is the part of the pizza most likely to burn your mouth and others that state that the bottom of the cheese is the part most likely to burn the part of the mouth?
That is the intended meaning.
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If that is the case then, while it makes a little more sense, I am still not fully sold on the relevance of such a question to the GMAT. Having solved the entire SC section of the Official Guide, I have never come across even a single question where I felt that there was ambiguity involved regarding the correct answer.
Perhaps I am over analyzing here but, the official answer, in the case of this question , is open to interpretation because one can get easily confused given the use of the word 'several', which does not imply 2 separate studies given that there are 2 parts of the pizza being cited here. Then there is of course the more apparent use of the word 'part' which is singular and does not make sense when put together with 2 different parts of the pizza.
The key word is "conflicting," which implies that each study cites only one part, so "parts" would not make sense. On the other hand, since both parts are being cited and not one or the other, we need to use "and." Confusing, I know!
It has to do with the semantic layers of the sentence. Here, I'll post a nifty little sentence diagram and maybe this will help.
Now, as you can see, the subject of the sentence is "studies" and the object of the verb "have cited" is compound. Since both of these have been cited in the studies, we need to use "and," not "or.
However, the prepositional phrase "as the part" is in another layer of the sentence. It is not a modifier of these two noun objects ("sauce" and "bottom") but rather of the verb phrase "have cited." Were we to say "parts" this would seem to contradict the notion that the studies were "conflicting."
On the other hand, were we to use "or," this would imply a dichotomy that is not warranted, because in the collective pool of studies BOTH the sauce AND the bottom do appear.
Basically, "as the part," being an adverb, needs to appropriately modify the action. The studies do not all cite the two parts together at once and to imply so by writing "as the parts" would be abusive.
(This diagram is based on the Reed-Kellogg diagramming method but has been slightly simplified in order to facilitate its execution with MS Word tables rather than with PhotoShop objects.)