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]: Thank you, that it all.
[EX A]: No

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

[EX Q]: We would like to make reservations for two at 18:00, at the Pub Republic in Petaluma.
[EX A]:
No