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.

[EX Q]: That is correct. What is the address of the restaurant?
[EX A]: Yes

[EX Q]: Yes, sounds great. Do they serve liquor at the restaurant?
[EX A]: Yes

[EX Q]: Ok, so to confirm: You would like a reservation for 6 people at Mendoza's restaurant in San Jose. The date and time of the booking is March 14th at 7:30 pm.
[EX A]:
No