Problem: How does the sentence end?

Jeffrey was sick with the stomach flu and not hungry, but Christopher was starving. 
Answer: Jeffrey declined food.

Problem: How does the sentence end?

Adam preferred the indoors rather than the outdoors whenever he was on vacation because the 
Answer: indoors was more relaxing.

Problem: How does the sentence end?

The man took the stairwell to the third floor instead of the elevator because the 
Answer: elevator was congested.

Problem: How does the sentence end?

After comparing, Craig's playlist was longer than Hunter's since 
Answer:
Craig preferred more variety to their music.