Problem: How does the sentence end?

Robert threw his PS3 controller at Lawrence because 
OPTIONS:
- Robert had beat him in the game.
- Lawrence had beat him in the game.
Answer: Lawrence had beat him in the game.

Problem: How does the sentence end?

Amy drove Christine to the vacation home because 
OPTIONS:
- Amy was insecure about driving on the highway.
- Christine was insecure about driving on the highway.
Answer: Christine was insecure about driving on the highway.

Problem: How does the sentence end?

Steven wanted to play miniature golf, but Benjamin refused, so 
OPTIONS:
- Steven was denied their wishes.
- Benjamin was denied their wishes.
Answer: Steven was denied their wishes.

Problem: How does the sentence end?

Christopher gave lessons to Michael , as 
OPTIONS:
- Christopher had so little piano playing knowledge and experience.
- Michael had so little piano playing knowledge and experience.
Answer:
Michael had so little piano playing knowledge and experience.