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.

Input: Consider Input: Thanks, I'm all set.

Output: No


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

Output: Yes


Input: Consider Input: At what time do you want to eat?
Output: Yes