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: Please confirm the following: Reserving a table for 2 at Angel Fish in Alameda for today at 12 pm.

SOLUTION: No

PROBLEM: What's their phone number?

SOLUTION: Yes

PROBLEM: What's their number and is liquor available?

SOLUTION:
Yes