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]: Did you have a preferred restaurant and time?
[A]: Yes


[Q]: In which city is Cassava restaurant and what time would you like the reservation?
[A]: Yes


[Q]: At what time would you like the reservation to be made?
[A]:
Yes