[Q]: How does the sentence end?

Victoria was considered simple as opposed to Rachel who was considered a genius because

[A]: Rachel had a very high IQ.

[Q]: How does the sentence end?

The flute sounded dead in the hallway, but wonderful in the parlor, since the

[A]: parlor had such wonderful acoustics.

[Q]: How does the sentence end?

The clothes of Kyle look more shabby than Donald's because

[A]:
Donald has a larger salary to buy clothes with.