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: Thank you, that's perfect. Do they serve liquor?

Output: Yes


Input: Consider Input: What type of food do you want? How about Mexican or Italian? What city should I search in?

Output: Yes


Input: Consider Input: What time you want me to make reservation?
Output: Yes