docs: private static synchronized TeamInfo addLiveTeam() {
      String teamName = randomElement(COLORS) + randomElement(ANIMALS);
      String robot = null;
      // Decide if we want to add a robot to the team.
      if (random.nextInt(ROBOT_PROBABILITY) == 0) {
        robot = "Robot-" + random.nextInt(NUM_ROBOTS);
      }
      // Create the new team.
      TeamInfo newTeam = new TeamInfo(teamName, System.currentTimeMillis(), robot);
      liveTeams.add(newTeam);
      System.out.println("[+" + newTeam + "]");
      return newTeam;
    }