In a class action that concluded in a settlement at the end of 2000, he succeeded in changing the oppressive conditions of confinement in Philadelphia's prisons.
The class action was concluded at the end of 2000.
mnli hypothesis: The class action was concluded at the end of 2000. premise: In a class action that concluded in a settlement at the end of 2000, he succeeded in changing the oppressive conditions of confinement in Philadelphia's prisons.