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 problem. What time would you like a reservation for?
Example Output: Yes

Example Input: Please make it on the 3rd of MArch at quarter past 1 in the afternoon.
Example Output: No

Example Input: Any city preferred?
Example Output:
Yes