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".

Ex Input:
The pair of students came under scrutiny by the teacher. (A) The students both received excellent grades. (B) Their responses on the assignment were identical., Question: cause

Ex Output:
B


Ex Input:
The group overlooked the woman's faux pas. (A) The woman was relieved. (B) The woman apologized., Question: effect

Ex Output:
A


Ex Input:
I learned how to play the board game. (A) My friend explained the rules to me. (B) My friend got the rules wrong., Question: cause

Ex Output:

A