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: What kind of food do you want to eat?

SOLUTION: Yes

PROBLEM: Make the reservation for 13:15.

SOLUTION: No

PROBLEM: Can you make a reservation 1t 12:30 in the afternoon at a restaurant?

SOLUTION:
No