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:
I will be with Abby and Jake for 3 days in Ireland starting the 3rd

Ex Output:
user


Ex Input:
Ok, and what about Miller Union in Atlanta?

Ex Output:
user


Ex Input:
There are no attendees who have accepted "dinner".

Ex Output:

agent