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]: The milk stayed cold. (A) It was pasteurized. (B) I stored it in the refrigerator., Question: cause
[A]: B


[Q]: The tree branch landed in the river. (A) The branch moved downstream. (B) The river's current became stronger., Question: effect
[A]: A


[Q]: The woman spotted her friend from across the room. (A) The woman waved. (B) The woman escaped., Question: cause
[A]:
A