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: tell me when the doctor appointment is

Output: user


Input: Consider Input: When is the meeting with the lecture?

Output: user


Input: Consider Input: Looks right to me


Output: user