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: Do they have any liquor supply?
Example Output: Yes

Example Input: A quarter to 1 in the afternoon, please.
Example Output: No

Example Input: Please confirm the following details: Booking a table at Villa D'este. The city is San Francisco.
Example Output:
No