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: When his best friend Stacey asked him where he had been, Fred lied and said that he had only gone for a swim. 
Question: What was the name of Fred's best friend?

No.