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]: Thank you, that it all.
[EX A]: No

[EX Q]: Cetrella restaurant in Half Moon Bay. Book it for 1 o"clock in the afternoon.
[EX A]: No

[EX Q]: No, that's quite enough.
[EX A]:
No