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:
Yes, but make it an hout

Ex Output:
user


Ex Input:
check the events i have today night

Ex Output:
user


Ex Input:
What happens to the weather when the barometric pressure drops?

Ex Output:

user