You will be given a definition of a task first, then some input of the task.
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 police closed the investigation. (A) They apprehended the suspect. (B) The victim recovered., Question: cause
Output:
A