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".

The cat purred. (A) It scratched me. (B) I petted it., Question: cause
B

I tidied up my house. (A) I was swamped with work. (B) I was expecting company., Question: cause
B

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

A