In this task, you are given a premise sentence, two possible options and a question word. If the question was cause you should select the option that is a possible cause of the premise sentence, and if the question word was effect you should find the option which is a possible effect of the premise sentence. Answer with "A" or "B".

Example Input: The man held his breath. (A) He went underwater. (B) He treaded water., Question: cause
Example Output: A

Example Input: The man grieved. (A) His wife criticized him. (B) His mother passed away., Question: cause
Example Output: B

Example Input: I flipped the light switch up and down. (A) The light faded. (B) The light flickered., Question: effect
Example Output:
B