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

[EX Q]: Are there any others?
[EX A]: Yes

[EX Q]: You make make the reservation for twelve pm.
[EX A]:
No