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. What is the phone number? Can I buy alcohol there?

Ex Output:
Yes


Ex Input:
Please confirm that you are requesting a reservation for a table for 2 at Cetrella in Half Moon Bay at 1 pm today.

Ex Output:
No


Ex Input:
I would like to make a different time which would be at half past 4 in the evening.

Ex Output:

No