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.

Q: Yes that's good. Do they serve liquor there?

A: Yes
****
Q: So, it's next Friday for 2 people?

A: No
****
Q: I want to make it for two people at one in the afternoon in San Francisco.

A:
No
****