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:
Do they serve liquor? What is the address of the restaurant.
answer:
Yes


question:
Booking a table at Pampalasa in San Francisco at 11:30 am for 2 people for tomorrow
answer:
No


question:
That works for me. What is the restaurant's phone number?
answer:

Yes