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]: Yes please that 1st one should be deleted.
[EX A]: user

[EX Q]: Alright, do I have any events set up with Kim Possible?
[EX A]: user

[EX Q]: Ok, one last thing, what's her office location. May need to stop by to say hi.
[EX A]:
user