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:
Did they serve liquor and what kind of food do they serve?
answer:
Yes


question:
Yes, exactly, I will need the address. Are they in the low priced category?
answer:
Yes


question:
What would you like to watch?
answer:

Yes