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: It has to be in San Fran.

SOLUTION: No

PROBLEM: Yes, that would be very helpful.

SOLUTION: No

PROBLEM: Yes, the information is correct. Is the restaurant very expensive? Do they have live music?

SOLUTION:
Yes