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".

Input: Consider Input: Sarah took their bird to Rachel at the vet office, but _ thought their bird was acting normally. (A) Sarah (B) Rachel

Output: B

Input: Consider 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

Output: B

Input: Consider Input: The toddler preferred to play with the ball than with the bike because the _ needed less coordination. (A) ball (B) bike
Output: A