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:
At what time do you want to go?
answer:
Yes


question:
Yes, that sounds right. What's their number, and do they serve alcohol?
answer:
Yes


question:
Yes, that is right. Do you know of there is live music?
answer:

Yes