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: Yes that's right. What is thier address and phone number?

SOLUTION: Yes

PROBLEM: I want a reservation at Buon Appetito at 1:30 pm.

SOLUTION: No

PROBLEM: I'm a little concerned about price. Would you say that the price range is not very costly.?

SOLUTION:
Yes