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]: My pleasure. Can I be of further assistance?
[EX A]: Yes

[EX Q]: uh-ch! Sorry the system crashed and I couldn't make your reservation. Do you need any other details?
[EX A]: No

[EX Q]: What is the genre of the movie? Who directs the movie?
[EX A]:
Yes