Original sentence: The Southern Poverty Law Center (SPLC) is an American legal advocacy organization, internationally known for its tolerance education programs, its legal victories against white supremacists and its tracking of hate groups, militias, and extremist organizations
Edited sentence: The Southern Poverty Law Center (SPLC) is an American legal advocacy organization, internationally known for its tolerance education programs, its legal victories against white supremacists and its tracking of organizations it classifies as hate groups, militias, and extremist organizations