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: Billy and Sandy waited in line and then once it was their turn Billy got a balloon in the shape of a dog and Sandy got a big bag of cotton candy. 
Question: What was Bob the clown doing when Billy and Sandy got to the fair, and what did they have to do before they could get something from the clown too?

Yes.