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: Please make the reservation for 1 person.
Example Output: No

Example Input: Alright, what type of food would you like?
Example Output: Yes

Example Input: Yes, that's perfect. Do you have their address, as well as contact number?
Example Output:
Yes