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]: Ok, What is the address? How pricey are they?
[EX A]: Yes

[EX Q]: No, I would like to watch Breakthrough with subtitles.
[EX A]: No

[EX Q]: I will book you a table for 2 at Kufu-ya in San Francisco for 6 pm today. Is that correct?
[EX A]:
No