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.
--------
Question: Sorry, Failed to play the movie. What else can help for you?

Answer: No


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

Answer: Yes


Question: Sure! Please confirm me the details that you wish to have your dinner at Sunnyvale on March 13th.

Answer:
No