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]: Thanks a lot, that'll be all.
[EX A]: No

[EX Q]: I want to eat out today, and would like a reservation at a restaurant.
[EX A]: No

[EX Q]: Ok! I've made your reservation.
[EX A]:
No