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]: Yea, that sounds great. Is Dana's expensive?
[A]: Yes


[Q]: Please make a reservation at Limon for the 13th at morning 11:45.
[A]: No


[Q]: My pleasure. Enjoy your day.
[A]:
No