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: Did they serve liquor and what kind of food do they serve?

SOLUTION: Yes

PROBLEM: Which Taco Bell?

SOLUTION: Yes

PROBLEM: Hello, Good morning!!! I wish to go out for dinner today. Can you make a dinner reservation at a good restaurant?

SOLUTION:
No