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.

[EX Q]: What time please?
[EX A]: Yes

[EX Q]: I would like to make a reservation at a restaurant at 6 pm.
[EX A]: No

[EX Q]: Do you know the price range of the restaurant?
[EX A]:
Yes