TASK DEFINITION: In this task, you are given an utterance, which is a part of a conversation between a user and an agent. Your job is to detect the speaker. The user usually commands the agent to schedule events, retrieve event information, and check the schedule. While the agent's response is an answer to the user's questions or follow-up questions on the user's command. Answer with "User" or "Agent".
PROBLEM: Does Walk-ons in Mobile have a full bar?

SOLUTION: user

PROBLEM: Here are some times when you and Cornelio Hernandez are free.

SOLUTION: agent

PROBLEM: Esther Swann's phone number is 123-456-7891. Click on the number below to dial.

SOLUTION:
agent