Sufficient & Necessary Questions - - Question 20

When glass products are made from recycled glass, the resulting products can be equal in quality to glass products ma...

Mazen February 13, 2020

Why answer-choice E is wrong

Hello, According to the video, E does not follow from the passage. I eliminated it because I found that it directly contradicts the premises in the passage. I know that I am correct for eliminating it. However, am I wrong for eliminating it for the reason I stated above, that it must be false (cannot be true) because it contradicts the facts in the passage?

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shunhe February 13, 2020

Hi @Mazen,

Thanks for the question! We can’t really say (E) contradicts the passage, so the logic in the video of (E) not following is a better way of thinking about it than (E) directly contradicting the premises in the passage. I can see why you might think (E) contradicts, but we have to read (E) and the passage carefully. (E) talks about the difference in quality between different grades of glass versus different grades of plastic. In other words, for example, how much better is grade A than grade B of glass and plastic? Notice that the passage doesn’t actually talk about this at all. It tells us that glass can be the same grade and plastics are always a lower grade, but it doesn’t tell us how big the difference between the grades are, and so (E) doesn’t directly contradict the passage. Hope this helps! Feel free to ask any other questions that you might have.