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 is it for?

SOLUTION: Yes

PROBLEM: It looks like they do not.

SOLUTION: No

PROBLEM: Is there any particular type of food you want, like Chinese, Mexican, or anything else?

SOLUTION:
Yes