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'd like to make a reservation for 2 at Milpitas.
[A]: No


[Q]: Do they serve alcohol? And what's their phone number?
[A]: Yes


[Q]: Beginning movie, this is a Mystery film directed by Brian De Palma.
[A]:
No