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 works for me. Do you know if they serve liquor? Also, can i get the contact number please?

A: Yes
****
Q: Yes, that is correct. What is their address and phone number?

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

A:
No
****