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:
I'd like to make a restaurant reservation at quarter to 7 in the evening.
answer:
No


question:
Yes, that's good. How pricey are they? Do they have live music?
answer:
Yes


question:
Can I still help you now?
answer:

Yes