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: Do they have any liquor supply?

SOLUTION: Yes

PROBLEM: Would you like me to search by any particular type of cuisine and city?

SOLUTION: Yes

PROBLEM: Is there a specific restuarant?

SOLUTION:
Yes