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: Please confirm the following booking: reservation at 7 pm on March 9th for 2 at State Bird Provisions San Francisco

SOLUTION: No

PROBLEM: Yes, sounds great. Do they serve liquor at the restaurant?

SOLUTION: Yes

PROBLEM: the movie has started playing. It's a drama movie directed by Eric Khoo

SOLUTION:
No