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]: Do you have a restaurant you prefer? Can you tell me the time of the reservation?
[EX A]: Yes

[EX Q]: What city is Asya in? What time would you like the reservation for?
[EX A]: Yes

[EX Q]: Please confirm: I'm booking a table for 3 people, today at 6 pm, at La Laguna in San Francisco.
[EX A]:
No