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: Any preferred restaurant?

SOLUTION: Yes

PROBLEM: Booking a table for today at Sushi Yoshizumi in San Mateo at 11:30 am for 2 people.

SOLUTION: No

PROBLEM: Yes, please check.

SOLUTION:
No