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]: That works for me. What is the restaurant's phone number?
[EX A]: Yes

[EX Q]: Please confirm: play Penguin Highway with subtitles.
[EX A]: No

[EX Q]: Find out if they have live music. Also how expensive is this restaurant?
[EX A]:
Yes