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]: What time do you want to dine? What city are you in, perhaps you have a preferred restaurant?
[EX A]: Yes

[EX Q]: That's right. Do they serve alcohol? And how expensive is the place?
[EX A]: Yes

[EX Q]: Make me a reservation at a restaurant please
[EX A]:
No