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:
Presidents Day is on Monday, February 17, 2020.

Ex Output:
agent


Ex Input:
I need to cancel it.

Ex Output:
user


Ex Input:
Yes, add Jennifer and Jake to that event.

Ex Output:

user