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: Do you know if they have live music? Also, please give me their number.

SOLUTION: Yes

PROBLEM: So, it's next Friday for 2 people?

SOLUTION: No

PROBLEM: A quarter to 1 in the afternoon, please.

SOLUTION:
No