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 perfect. Do they serve liquor or have live music?

A: Yes
****
Q: Booking a table for today at Sushi Yoshizumi in San Mateo at 11:30 am for 2 people.

A: No
****
Q: Ok. San Francisco, 3 people?

A:
No
****