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: Which movie did you want to watch?

SOLUTION: Yes

PROBLEM: Yes, thank you. How's the pricing? Low priced?

SOLUTION: Yes

PROBLEM: I would be available at 16:45.

SOLUTION:
No