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: That's good. Do they serve liquor and what is there number?

A: Yes
****
Q: what time is the reservation for? which city i should search in? do you have a preferred restaurant?

A:
Yes
****