Unlike diamonds

Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.

1. Unlike diamonds with other colors, it is very difficult to determine whether color of green diamonds is natural or treated.
2. Unlike colors of other diamonds, color of green diamonds is very difficult to be determined to be natural or treated.
3. Unlike other diamonds, whether color of green diamonds is natural or treated is very difficult to determine.
4. It is very difficult, unlike that of other diamonds, to determine whether the color of Green diamonds is natural or treated.
5. Green diamonds are unlike other diamonds in that it is very difficult to determine whether their color is natural or treated.

My Ques: What is the official answer? answer given is E.

Expert Asked on April 3, 2018 in Sentence Correction.
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3 Answer(s)

I too picked E and I think E must be official answer.

Advanced Answered on April 3, 2018.
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why not c? e seems wordy to me.

Expert Answered on April 3, 2018.
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Hi Riya,

In unlike X, Y – X and Y have to be the 2 things that are compared. Here the 2 things are green diamonds and other diamonds. This structure is not followed in C.

Expert Answered on April 12, 2018.
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