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:
thank you very much.that is all i need.

Ex Output:
No


Ex Input:
Yes, that sound good, May i know Who's Its director?

Ex Output:
Yes


Ex Input:
In what city would you like to dine?

Ex Output:

Yes