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.

Q: Ok ,That's great. I need to know its director? who is he?

A: Yes
****
Q: Great, thank you! That's all I needed.

A: No
****
Q: Thank you very much. That is all I need for now.

A:
No
****