In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Michael kept their motor well maintained but Dennis ignored their engine maintenance. _ saved a lot of money on car repairs. (A) Michael (B) Dennis
A

After the accident, Eric remained calm while Benjamin was panicking because _ was a calm individual. (A) Eric (B) Benjamin
A

The girl Brett dated was cheating on Christopher, and _ was rather happy about the situation. (A) Brett (B) Christopher

A