Group 1 - The 2025 World Humanoid Robot Soccer Cup is approaching, with only 9 days left until the event, and the humanoid robot training base has welcomed human referees [1] - Over 30 professional football referees have been selected to participate in the training at the humanoid robot training base, which is crucial for ensuring fair officiating in the upcoming soccer events [1][3] - The soccer competition rules for the event include two halves, with 3V3 matches lasting 10 minutes per half and 5V5 matches lasting 15 minutes per half, requiring a team of referees for each match [3] Group 2 - The refereeing team consists of a main referee, two assistant referees, and a technical referee, with the latter responsible for issuing commands to the robots [3] - The transition from officiating human matches to robot matches is considered manageable by experienced referees, although robots may exhibit behaviors not typically seen in human players [3][4] - The referees will need to adapt to the unique challenges posed by robots, such as their inability to understand verbal commands or gestures, which adds a distinct element to the officiating process [4] Group 3 - Following the training, two practice matches were organized, involving teams from various universities, allowing referees to gain practical experience with the competition rules [4] - The event is co-hosted by multiple organizations, including the Beijing Municipal Government and the Central Radio and Television Station, with significant preparations underway by the organizing committee [4]