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 Q]: The grape juice fermented. (A) The juice turned to wine. (B) The juice evaporated., Question: effect
[EX A]: A

[EX Q]: The security guard tackled the man. (A) The man reached into his pocket. (B) The man displayed a weapon., Question: cause
[EX A]: B

[EX Q]: The friends' dinnertime conversation turned to politics. (A) The conversation quieted down. (B) A debate erupted., Question: effect
[EX A]:
B