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:
Why not? Sure. I can help you on that. At what time you wish to reserve the table?

Ex Output:
Yes


Ex Input:
Do you have any interested type of food to eat and in which city?

Ex Output:
Yes


Ex Input:
Your table at Cafe Vitale has been successfully booked.

Ex Output:
No