Complex sentence: Determined to succeed against the odds, Elle studies diligently and eventually receives an internship at the legal office of Callahan, the school's most respected professor, who is defending a prominent fitness instructor named Brooke Windham, who is a role model of Elle's.
Split into simpler sentences: Determined to succeed against the odds, Elle studies diligently and eventually receives an internship at the legal office of Callahan, the school's most respected professor. Callahan is defending a prominent fitness instructor named Brooke Windham, who is a role model of Elle's.