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 is their phone number and are they above average in pricing?

SOLUTION: Yes

PROBLEM: Yes, that's correct. Do they have live music, by the way?

SOLUTION: Yes

PROBLEM: Yes. What is the address and the contact number?

SOLUTION:
Yes