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]: For what time do you want the reservation?
[A]: Yes


[Q]: Please confirm the following details so I am not mistaken: you would like a reservation for 2 people at 7:30 pm?
[A]: No


[Q]: Okay, any restaurant in particular? And what time do you want to go?
[A]:
Yes