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.

[Q]: They do serve alcohol and the price range is moderate.
[A]: No

[Q]: Is there a preferred restaurant you are looking to make reservations at and what city will this be in?
[A]: Yes

[Q]: I have successfully made the reservation.
[A]:
No