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]: I could not make the reservation. They serve California style food. They don't serve liquor. Wence's restaurant is very nice, should I try a reservation for 2 people today at 11:30 am?
[A]: No

[Q]: I want a reservation at Buon Appetito at 1:30 pm.
[A]: No

[Q]: All right. What time would you like me to make the reservation for?
[A]:
Yes