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: What kind of food do you want? Examples include Chinese and Italian.
Example Output: Yes

Example Input: To confirm: I'm booking a reservation for 2 people at Jing-Jing Szechwan & Hunan Gourmet in Palo Alto next Friday at 12:15 pm.
Example Output: No

Example Input: Okay. At what time would you like to eat there?
Example Output:
Yes