[Q]: How does the sentence end?

Kevin enjoys the hot summer and hates the cold while Brian hates high temperatures and prefers the winter so

[A]: Kevin is planning a cruise in the Caribbean.

[Q]: How does the sentence end?

Robert told Ian that he had gotten into a fist fight this weekend.

[A]: Ian was worried about him.

[Q]: How does the sentence end?

Nelson is poor at doing analysis, while Christopher is great at it, because

[A]:
Christopher is an accountant.