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: Schedule Paige for a meeting on Friday

SOLUTION: user

PROBLEM: And on the 17th?

SOLUTION: user

PROBLEM: Yes, Mike Patton has accepted the "apple picking meeting" invitation.

SOLUTION:
agent