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]: Sounds great, thank you.
[EX A]: No

[EX Q]: Let's make it an evening 7:30 reservation and you should look in San Francisco.
[EX A]: No

[EX Q]: Just to be sure, you want me to play Viva Las Vegas with subtitles right now?
[EX A]:
No