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:
Yes that's right. What is thier address and phone number?

Ex Output:
Yes


Ex Input:
Thanks very much. That's all I needed!

Ex Output:
No


Ex Input:
please confirm, a table for 2 at Bistro liaison in Berkeley for today 6:15 pm

Ex Output:

No