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".

Can you give me the details though of the party you deleted?
user

Can you schedule a meeting with Greg on Saturday morning?
user

Can you also add family dinner that night at 5 pm lasting for an hour and 30 minutes at mom's house that night

user