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: Can you give me the details though of the party you deleted?

SOLUTION: user

PROBLEM: change my firework event to happen in the summer

SOLUTION: user

PROBLEM: Put a birthday party on my calendar next Tuesday at 7pm

SOLUTION:
user