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 problem. See you around.

Ex Output:
No


Ex Input:
Why not? Sure. I can help you on that. At what time you wish to reserve the table?

Ex Output:
Yes


Ex Input:
have a great day

Ex Output:

No