Complex sentence: The Brazilian motorcycle Grand Prix was a motorcycling event that was part of the Grand Prix motorcycle racing season in 1987--1989 (Goiânia), 1992 (São Paulo) and in 1995-2004 in Rio de Janeiro.
Split into simpler sentences: The Brazilian motorcycle Grand Prix was a motorcycling event that was part of the Grand Prix motorcycle racing season. From 1995 to 2004, The Rio de Janeiro motorcycle Grand Prix race was part of the Grand Prix motorcycle racing, in Rio de Janeiro.