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 girl performed in a dance recital. (A) Her parents showed her how to dance. (B) Her parents came to watch the recital., Question: effect
Example Output: B

Example Input: My flight got delayed. (A) Tornadoes were sighted in the area. (B) I was held up at airport security., Question: cause
Example Output: A

Example Input: The woman upgraded her computer hardware. (A) She deleted old files on the computer. (B) She installed new software on the computer., Question: effect
Example Output:
B