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: Will it rain during the marathon friday?

SOLUTION: user

PROBLEM: Let's start over. Add a meeting with boss tomorrow at 1:30.

SOLUTION: user

PROBLEM: It seems like I have her schedule for this friday at 1pm, can we add that to the calendar?

SOLUTION:
user