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:
They do serve alcohol but there is no live music.
answer:
No


question:
Please confirm this: Booking a table at Yayoi Cupertino. The city is Cupertino. The reservation is at 7:45 pm. The date is today. the reservation is for 2 people.
answer:
No


question:
Yes that works for me. Do you know if they serve liquor? Also, can i get the contact number please?
answer:

Yes