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".

Ex Input:
The career of William will last shorter than that of Jason because _ takes care of his body. (A) William (B) Jason

Ex Output:
B

Ex Input:
The pharmacist said to store the medicine in a dark place because the _ would protect it from being exposed to light. (A) medicine (B) dark place

Ex Output:
B

Ex Input:
When they were out drinking on a Friday night, Rachel was trying to attract a man while Felicia was not, because _ was single and looking for a boyfriend. (A) Rachel (B) Felicia

Ex Output:
A