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 first thing they saw was a zoo worker carrying a pail of fish. 
Question: What did the zoo worker feed the penguins?

No.