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]: The restaurant serves japanese food, and they do not have live music.
[EX A]: No

[EX Q]: Sorry your booking could not be done.Can i help you in any other thing?
[EX A]: No

[EX Q]: Sure, what city should I search? And what kind of food would you like?
[EX A]:
Yes