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: Is thee a city or restaurant you prefer?

SOLUTION: Yes

PROBLEM: Yes. What is the phone number? Can I buy alcohol there?

SOLUTION: Yes

PROBLEM: Which movie do you want to watch?

SOLUTION:
Yes