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:
Do they have any liquor supply?

Ex Output:
Yes


Ex Input:
Great, your reservation is set.

Ex Output:
No


Ex Input:
I was unable to book that for you. Would you like me to try a reservation for 1 person today at 1:30 PM at the House of Curries?

Ex Output:

No