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: Please confirm the following information: The city is San Francisco. The reservation is at Khamsa restaurant at 6 PM today. The number of people in your party is 2.

SOLUTION: No

PROBLEM: No, I would like to watch Breakthrough with subtitles.

SOLUTION: No

PROBLEM: Yes! Do they have live music and serve liquor?

SOLUTION:
Yes