Problem: How does the sentence end?

I was easy for Amy but not Lindsey to build muscle because 
OPTIONS:
- Amy had not worked out and had not eaten a diet full of protein.
- Lindsey had not worked out and had not eaten a diet full of protein.
Answer: Lindsey had not worked out and had not eaten a diet full of protein.

Problem: How does the sentence end?

The infection prone patient was moved from the ward to the private room, since the 
OPTIONS:
- ward was cleaner.
- room was cleaner.
Answer: room was cleaner.

Problem: How does the sentence end?

Joseph was replaced by Kyle in the play, because 
OPTIONS:
- Joseph had done a poor job learning their lines.
- Kyle had done a poor job learning their lines.
Answer: Joseph had done a poor job learning their lines.

Problem: How does the sentence end?

After trying on a dress with polka dots and a dress with stripes, Madison decided to buy the latter because she thought the 
OPTIONS:
- polka dots made her look fat.
- stripes made her look fat.
Answer:
polka dots made her look fat.