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]: Do they have alcohol?
[EX A]: Yes

[EX Q]: No, that will be all. Thank you very much.
[EX A]: No

[EX Q]: Are you looking for Mexican, American, or some other type of food?
[EX A]:
Yes