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 tenant misplaced his keys to his apartment. (A) His landlord unlocked the door. (B) His landlord repaired the door., Question: effect

A: A
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Q: The celebrity wore sunglasses. (A) She wanted to thank her fans. (B) She wanted to avoid recognition., Question: cause

A: B
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Q: The guests of the party hid behind the couch. (A) It was a surprise party. (B) It was a birthday party., Question: cause

A:
A
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