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 army surrendered the battle. (A) They were outnumbered. (B) They stormed the city., Question: cause
[EX A]: A

[EX Q]: The customer thought the souvenir was overpriced. (A) The vender sold it to him. (B) He bargained with the vendor., Question: effect
[EX A]: B

[EX Q]: I spent the day at the pool. (A) I sprained my ankle. (B) My face got sunburned., Question: effect
[EX A]:
B