Complex sentence: Sylvia Rae Rivera (2 July 1951--19 February 2002) was an American transgender activist of Puerto Rican and Venezuelan descent who was born and raised in New York City.
Split into simpler sentences: Sylvia Rae Rivera (2 July 1951--19 February 2002) was an American transgender activist. Rivera is of Puerto Rican and Venezuelan descent who was born and raised in New York City.