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: Does the restaurant have any live entertainment? Is their contact information available?

SOLUTION: Yes

PROBLEM: Is this correct? I will be booking a reservation for 2 people at Aquitaine Wine Bar & Bistro for 12 pm today. It is in the city of San Francisco.

SOLUTION: No

PROBLEM: Who is the director?

SOLUTION:
Yes