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: Two chimps in a zoo always like to throw apples into the neighboring zebra enclosure. Zippy always seems to throw the apples further than Toby. Question: Which chimp is weaker? (A) Zippy (B) Toby
Toby