Complex sentence: Although many of the inmates relished the opportunity to exercise at weekends, violence occasionally occurred, often race related, a notable riot occurred on May 20,1956 over racial taunts on the diamond between a white and black prisoner during a softball match.
Split into simpler sentences: Although many of the inmates relished the opportunity to exercise on weekends, violence occasionally occurred, often race related. A notable riot occurred on May 20,1956 over racial taunts on the diamond between a white and black prisoner during a softball match.