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: My knees buckled on the stairs. (A) I caught myself on the railing. (B) The railing came loose from the wall., Question: effect

A: A
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Q: I pushed the gas pedal. (A) The car accelerated. (B) The car door opened., Question: effect

A: A
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Q: The man needed coins to fill the parking meter. (A) He searched under his car seats for loose change. (B) He begged people on the street for loose change., Question: effect

A:
A
****