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:
Schedule a Party at 8 am until midnight.

Ex Output:
user


Ex Input:
Please, change for February 28, 2019

Ex Output:
user


Ex Input:
how many months in 2018 have 30 days?

Ex Output:

user