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:
No, that's not correct it's for four people.

Ex Output:
No


Ex Input:
It looks like they do not.

Ex Output:
No


Ex Input:
To confirm, you want a reservation for Celia's By The Beach in San Francisco.

Ex Output:
No