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 time please?

SOLUTION: Yes

PROBLEM: I want to make a reservation at Mcdonald's for five people.

SOLUTION: No

PROBLEM: I'm looking for a reservation to Amami in San Bruno.

SOLUTION:
No