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.

Ex Input:
No, not at this moment. Thank you.

Ex Output:
No


Ex Input:
That's good. Do they serve liquor and what is there number?

Ex Output:
Yes


Ex Input:
Please state the city you're interested in.

Ex Output:

Yes