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: The pumpkin could not eat the cake because it had no mouth but it was still very happy to have the cat as a new friend. 
Question: Why was the pumpkin sad?

Yes.