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".

Input: Consider Input: The family postponed the barbeque. (A) The forecast called for storms. (B) It was a holiday weekend., Question: cause

Output: A


Input: Consider Input: The woman presented her brother with a gift. (A) Her brother refused to accept the gift. (B) Her brother unwrapped the gift., Question: effect

Output: B


Input: Consider Input: The teacher assigned homework to the students. (A) The students passed notes. (B) The students groaned., Question: effect


Output: B