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:
Do you need assistance with anything else?

Ex Output:
Yes


Ex Input:
I see. So you'd rather book it in San Francisco on March 14th?

Ex Output:
No


Ex Input:
Yes, all of those details are correct.

Ex Output:

No