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]: Do you have a restaurant you prefer? Can you tell me the time of the reservation?
[A]: Yes


[Q]: Yes, try to make it for 18:30.
[A]: No


[Q]: Do you have anything else?
[A]:
Yes