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: I want to reserve a table at 7:45 in the evening, in a restaurant.

SOLUTION: No

PROBLEM: Movie is playing now. It's a comedy and is directed by tyler perry

SOLUTION: No

PROBLEM: do you have a preferred restaurant? what time for?

SOLUTION:
Yes