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:
No, I want it in Sunnyvale. Make it at 12:30 pm.
answer:
No


question:
Ok ,That's great. I need to know its director? who is he?
answer:
Yes


question:
Is liquor served there?
answer:

Yes