TASK DEFINITION: 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.
PROBLEM: What kind of food do you want to eat?

SOLUTION: Yes

PROBLEM: Yes, it's called Juerga.

SOLUTION: No

PROBLEM: Beginning movie, this is a Mystery film directed by Brian De Palma.

SOLUTION:
No