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 children knocked over a lamp. (A) They had a pillow fight. (B) They jumped on the bed., Question: cause
Example Output: A

Example Input: I drank a cup of coffee. (A) My yawning ceased. (B) I nodded off to sleep., Question: effect
Example Output: A

Example Input: My eyes became red and puffy. (A) I was sobbing. (B) I was laughing., Question: cause
Example Output:
A