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:
Nah, that will do for now.

Ex Output:
No


Ex Input:
Yes, that sounds right. What's their number, and do they serve alcohol?

Ex Output:
Yes


Ex Input:
Sure. What restaurant and location do you want reservations for?

Ex Output:

Yes