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: Kakow

SOLUTION: user

PROBLEM: No, I didn't find any events with Jesse tomorrow.

SOLUTION: agent

PROBLEM: Put event John's birthday party that day from 6pm until 8pm.

SOLUTION:
user