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, that sound good, May i know Who's Its director?
[EX A]: Yes

[EX Q]: You're welcome. Enjoy the movie.
[EX A]: No

[EX Q]: Please make the reservation for 1 person.
[EX A]:
No