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: It looks like they do not.

SOLUTION: No

PROBLEM: No problem. See you around.

SOLUTION: No

PROBLEM: Yes, that would be great. Do they serve liquor or have live music?

SOLUTION:
Yes