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: Did you have a preferred restaurant and time?

SOLUTION: Yes

PROBLEM: Yes, all of those details are correct.

SOLUTION: No

PROBLEM: Yes, that's fine, Are they offering any live music there?

SOLUTION:
Yes