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:
Actually, please change the meal prep for 4 please.

Ex Output:
user


Ex Input:
Great! Is there a chance of rain during my Camping?

Ex Output:
user


Ex Input:
I found 1 event on Sunday the 20th. It's a "basketball game" from 9:00 to 10:00 AM.

Ex Output:

agent