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]: No, I would like to watch Breakthrough with subtitles.
[A]: No


[Q]: I'm taking a client out to dinner and I want to make a dinner reservation.
[A]: No


[Q]: That works for me. Do they serve alcohol?
[A]:
Yes