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".

[Q]: 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
[A]: A


[Q]: The boy climbed the tree. (A) A cat got stuck in the tree. (B) A bird built a nest in the tree., Question: cause
[A]: A


[Q]: The man confessed his love for the woman. (A) The woman rejected him. (B) The woman envied him., Question: effect
[A]:
A