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 is great. Can you give me the restaurant address.
answer:
Yes


question:
Do they serve alcohol? And what's their phone number?
answer:
Yes


question:
Which city is this restaurant located in?
answer:

Yes