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.

[EX Q]: Yeah, that's perfect for me. Do they possess live music?
[EX A]: Yes

[EX Q]: Your reservation is a success.
[EX A]: No

[EX Q]: no. thank you for your help
[EX A]:
No