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:
My pleasure. Can I be of further assistance?

Ex Output:
Yes


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

Ex Output:
No


Ex Input:
On March 2nd we are going to celebrate my wedding anniversary. So please check for a reservation at a restaurant.

Ex Output:

No