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".

Example Input: The fire spread quickly before people rushed over with water, but the _ was too strong. (A) fire (B) water
Example Output: A

Example Input: The car passed the motorcycle on the highway because the _ was driving very slowly. (A) car (B) motorcycle
Example Output: B

Example Input: Maria's workplace is less stressful than Rachel's, as a result of _ being in a difficult industry. (A) Maria (B) Rachel
Example Output:
B