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: Do you have a preferred restaurant and time

SOLUTION: Yes

PROBLEM: Where is it located? Does it cost a lot?

SOLUTION: Yes

PROBLEM: Please confirm the new details: Booking a table at Khana Peena for a reservation at 12 pm.

SOLUTION:
No