You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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 animal species became endangered. (A) Their habitat was destroyed. (B) Their predators went extinct., Question: cause
Solution: A
Why? The question word is cause, so we should find the possible cause of the premise. Option A can be the cause of the premise, and the output should be "A".

New input: The authorities vowed to protect the identity of the crime victim. (A) The victim struggled to recall details about the crime. (B) They withheld the victim's name from the public., Question: effect
Solution:
B