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]: Is there a particular cuisine you would like?
[EX A]: Yes

[EX Q]: Please confirm. You want to watch The Invisibles without subtitles.
[EX A]: No

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