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 patient underwent the risky medical procedure. (A) The procedure was costly. (B) Specialists recommended the procedure., Question: cause
[EX A]: B

[EX Q]: The surfer caught the wave. (A) The wave carried her to the shore. (B) She paddled her board into the ocean., Question: effect
[EX A]: A

[EX Q]: I pushed the pendulum. (A) It slowed to a stop. (B) It swung back and forth., Question: effect
[EX A]:
B