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]: You're welcome. Good bye.
[A]: No


[Q]: That works for me. What type of food and liquor do they serve?
[A]: Yes


[Q]: It is 650-627-4303. Your reservation has been confirmed.
[A]:
No