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 confirm the following: Reserving a table for 2 at Angel Fish in Alameda for today at 12 pm.
Example Output: No

Example Input: What type of cuisine do you want? Mexican, Chinese or which one?
Example Output: Yes

Example Input: That is correct. Do they have alcohol?
Example Output:
Yes