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 prefer to eat? Which city are you located now?

SOLUTION: Yes

PROBLEM: The movie is directed by David Sandberg. The genre is Adventure.

SOLUTION: No

PROBLEM: What time is the reservation?

SOLUTION:
Yes