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: After looking very hard for treasure for an hour, they didn't find anything. 
Question: Why did Bob and Sally stop looking for the treasure?

No.