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: Which Taco Bell?

SOLUTION: Yes

PROBLEM: I prefer a restaurant with a live music and by the way how's the price?

SOLUTION: Yes

PROBLEM: Fine, your reservation is done.

SOLUTION:
No