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: He works with another doctor, named Zeke, and with four nurses. 
Question: What is the name of the doctor that is five years younger than Mark?

Yes.