TASK DEFINITION: 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.
PROBLEM: Why not? Sure. I can help you on that. At what time you wish to reserve the table?

SOLUTION: Yes

PROBLEM: You would like to watch JT LeRoy without subtitles, correct?

SOLUTION: No

PROBLEM: I would like the reservation in SFO.

SOLUTION:
No