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 Q]: Lets do Friday the 24th. and then for the weekend make a Star Wars movie marathon event.
[EX A]: user

[EX Q]: That is exactly it.
[EX A]: user

[EX Q]: No, I didn't find any events between September 1, 2020 and November 30, 2020.
[EX A]:
agent