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 computer crashed. (A) I backed up my files. (B) I downloaded a virus., Question: cause
Example Output: B

Example Input: The boy had trouble buttoning his shirt. (A) He refused to wear the shirt. (B) He asked his mother for help., Question: effect
Example Output: B

Example Input: The child caught a life-threatening illness. (A) She didn't get vaccinated. (B) She was adopted., Question: cause
Example Output:
A