Detailed Instructions: You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Q: 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?
A:
billy and sandy had to wait in line to see the clown, billy got a ballon and sandy got a bag of cotton candy.