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]: No,it s ok.Thnak you!
[EX A]: No

[EX Q]: Sorry, the reservation was unsuccessful. What else may I do for you?
[EX A]: No

[EX Q]: Pleasant Hill please.
[EX A]:
No