every Thursday once every 4 weeks the class play a game called "Pyramid Game", a game that you have to install on your phone. Every students got to choose 5 other students, but not themselves. The highest rank is A 12 or more votes, B with 8-11, C with 6-8, D with 4-7 votes, E with 1-3 votes, and F with 0 vote. The highest rank which is A got the advances to do anything first or give the permission for rank B-C to bully the rank F. As F couldn't do / fight other ranks.