Definition: You are given a sentence and a question in the input. If the information provided in the sentence is enough to answer the question, label "Yes", otherwise label "No". Do not use any facts other than those provided in the sentence while labeling "Yes" or "No". There are only two types of valid responses: Yes and No.
Input: Sentence: Tim, who had always preferred a good book to P.E. class, wanted to show his family that he really could be what they wanted him to be, so he spent his allowance on a pair of green running shoes and signed up for his school's Spring Fun Run. 
Question: Why does Tim run the race?

Yes.