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:
Thanks, I'm all set.

Ex Output:
No


Ex Input:
Is there a preferred restaurant you are looking to make reservations at and what city will this be in?

Ex Output:
Yes


Ex Input:
Alright, so that's a table for 4 at 1:45 pm?

Ex Output:

No