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: Any preferred restaurant?
Example Output: Yes

Example Input: Please make a reservation at Limon for the 13th at morning 11:45.
Example Output: No

Example Input: I would like to confirm the reservation details. I am booking a table at the Parkside Grille restaurant in Portola Valley. The reservation is at 1:30 pm next Thursday and is for 2 people.
Example Output:
No