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]: Okay, can you verify for me that you want a reservation for 2 at Allegro Romano located in San Francisco today at 7:30 pm?
[EX A]: No

[EX Q]: No, I want subtitles
[EX A]: No

[EX Q]: Please confirm the following details so I am not mistaken: you would like a reservation for 2 people at 7:30 pm?
[EX A]:
No