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 girl desired her parent's approval. (A) She ran away from home. (B) She obeyed her parent's rules., Question: effect
[EX A]: B

[EX Q]: The boy read the novel aloud to his grandfather. (A) His grandfather was deaf. (B) His grandfather was blind., Question: cause
[EX A]: B

[EX Q]: The boy filled the bucket with sand. (A) He was collecting seashells in the sand. (B) He was building a sand castle., Question: cause
[EX A]:
B