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

Answer: A

Question: Though they had been hanging out together, Derrick came down with a fever while Samuel didn't. _ always had a strong immune system. (A) Derrick (B) Samuel

Answer: B

Question: Christine really enjoyed writing but Jessica did not enjoy it at all because _ was illiterate. (A) Christine (B) Jessica

Answer:
B