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.

Example Input: No, Thank you for your help.
Example Output: No

Example Input: Thanks very much. That's all I needed!
Example Output: No

Example Input: Which city are you located in, and what kind of food would you like to eat?
Example Output:
Yes