You are given a sentence from a conversation between a human and a virtual assistant. Your task is to identify whether the sentence is a question or not. Answer with Yes or No.
--------
Question: Yes that works for me. What is the address?

Answer: Yes


Question: Does that restaurant serve alcohol?

Answer: Yes


Question: Please confirm: I'm booking a table at Mcdonald's for 5 people at 6 pm today in San Francisco.

Answer:
No