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: May I have their contact number?

SOLUTION: Yes

PROBLEM: It would be my pleasure to help you. What location should I narrow my search to and what type of cuisine do you prefer? You can say things like American, Indian, or any other type of cuisine.

SOLUTION:
Yes