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:
What meetings do I have next week with Sarah?

Ex Output:
user


Ex Input:
Here are some times when you and Carl are free.

Ex Output:
agent


Ex Input:
Yes, I found one event in May. It's "Meeting with Jesse Rosenfeld and Damon Straeter" on May 3rd from 10:00 to 10:30 AM.

Ex Output:

agent