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: Yes, that's good. How pricey are they? Do they have live music?

SOLUTION: Yes

PROBLEM: Yes, that's fine too.

SOLUTION: No

PROBLEM: I was unable to make that reservation at Mcdonald's. Is today at 7:30 pm for 2 people okay?

SOLUTION:
No