instruction:
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.
question:
Yes, that's good. How pricey are they? Do they have live music?
answer:
Yes


question:
It has to be in San Fran.
answer:
No


question:
Great, so just to confirm, I'm booking a table at the Old Siam in San Francisco at 7 pm today for 4 people, correct?
answer:
No