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:
Does that restaurant serve alcohol?
answer:
Yes


question:
Yes that works for me. What is the address?
answer:
Yes


question:
Yes that's right. What is the phone number for the restaurant and what is their price range?
answer:

Yes