Problem: How does the sentence end?

Mr. Farmer's son noticed a hole in the wooden fence so he tried hitting a golf ball through it; he didn't realize that the 
OPTIONS:
- ball was too large.
- hole was too large.
Answer: ball was too large.

Problem: How does the sentence end?

Since Robert had a fear of heights while Jeffrey had a fear of people, 
OPTIONS:
- Robert avoided tall buildings.
- Jeffrey avoided tall buildings.
Answer: Robert avoided tall buildings.

Problem: How does the sentence end?

Brett bought Kevin dinner at a fancy Italian restaurant for his birthday, 
OPTIONS:
- Brett felt very thankful.
- Kevin felt very thankful.
Answer: Kevin felt very thankful.

Problem: How does the sentence end?

Angela had a more difficult time writing poetry than Rachel, as 
OPTIONS:
- Angela was very unoriginal.
- Rachel was very unoriginal.
Answer:
Angela was very unoriginal.