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]: Yes, exactly, I will need the address. Are they in the low priced category?
[EX A]: Yes

[EX Q]: Yes that's perfect
[EX A]: No

[EX Q]: Who directed this one?
[EX A]:
Yes