Complex sentence: During this class the instructor, a bully well known for victimizing and humiliating his students, challenged Starr to a sparring match, in response Starr pulled out his handgun and shot the instructor in the knee-caps.
Split into simpler sentences: During this class the instructor, a bully well known for victimizing and humiliating his students, challenged Starr to a sparring match. In response Starr pulled out his handgun and shot the instructor in the knee-caps.