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".

Input: Consider Input: Actually can you make it end at 10?

Output: user


Input: Consider Input: I've changed "oil change" to be for 1 hour.

Output: agent


Input: Consider Input: Remove my dinner date with Trey last Friday


Output: user