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: There's a place in San Jose called Pearl River - can you just book it for one please

SOLUTION: No

PROBLEM: I was unable to make the reservation for that time. Should I try again at Pescatore for today at 12:30 pm for 2 people?

SOLUTION: No

PROBLEM: Yes. Can you tell me if the restaurant is costly and do they offer live music?

SOLUTION:
Yes