Complex sentence: The scene in Rio de Janeiro focused mainly on the intense rivalry between Brazilian Jiu-Jitsu and Luta Livre, whereas fights in the other regions featured more diverse martial arts competing in the events.
Split into simpler sentences: The scene in Rio de Janeiro focused mainly on the intense rivalry between Brazilian Jiu-Jitsu and Luta Livre. Fights in the other regions featured more diverse martial arts competing in the events.