change category rhythm_game (295) -> invalid
create implication playing_rhythm_game (0) -> playing_videogame (0)
create implication rhythm_game_mechanics (0) -> gameplay_mechanics (11710)
create implication rhythm_game_machine (0) -> arcade_machine (765)
create implication rhythm_game_controller (29) -> game_controller (9163)
create implication dance_pad (28) -> rhythm_game_controller (29)
remove implication guitar_controller (31) -> game_controller (9163)
create implication guitar_controller (31) -> rhythm_game_controller (29)