Given the task definition and input, reply with output. You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Sentence: Bob is a human. Carl's a zombie. Carl is chasing Bob. Bob is sweating a lot. Carl would be sweating, but he's dead. Bob's pretty scared, and is running very, very quickly. Question: His shirt is drenched in sweat! Who's exercising more? (A) the human is exercising more (B) the zombie is exercising more
the human is exercising more