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".

Ex Input:
Add Amanda too.

Ex Output:
user


Ex Input:
No, I didn't find any events with Abby.

Ex Output:
agent


Ex Input:
Add a meeting with Jimmy for June 12th from 5pm to 10pm at the Hyatt.

Ex Output:

user