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: What time should i make the reservation for?

SOLUTION: Yes

PROBLEM: Yes, that's it. What is the street address for Lemongrass? Also, what type of food is on their menu?

SOLUTION: Yes

PROBLEM: The restaurant is Tao San Jin. Please make it for 2 o"clock in the afternoon.

SOLUTION:
No