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: Where at? And what kind of cuisine are you craving?

SOLUTION: Yes

PROBLEM: What type of food do you fancy? Chinese, Indian?

SOLUTION: Yes

PROBLEM: Definitely. So with the new details we'll book it for 5 people at the Old Siam in San Francisco, correct?

SOLUTION:
No