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: That looks good

Output: user


Input: Consider Input: Add Adam to the event

Output: user


Input: Consider Input: Add event "Post debrief evaluation" with Karl Boon at 11:30am on June 7


Output: user