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 judge pounded the gavel. (A) The courtroom broke into uproar. (B) The jury announced its verdict., Question: cause
Example Output: A

Example Input: I hung up the phone. (A) The caller said goodbye to me. (B) The caller identified himself to me., Question: cause
Example Output: A

Example Input: The man signed the document. (A) The transaction was voided. (B) The transaction became official., Question: effect
Example Output:
B