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: I would like to make a reservation at a restaurant in Half Moon Bay.

Answer: No

Question: Do they have alcohol?

Answer: Yes

Question: I am sorry, but I was unable to book the reservation. Is there anything else I can help you with?

Answer:
No