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 was unable to make that reservation. Can I help with anything else?
answer:
No


question:
Which movie do you want me to put on?
answer:
Yes


question:
Yeah, that's correct. Also, what's their address, and do they serve liquor there?
answer:

Yes