Complex sentence: US actor Matt Damon, who was nominated for an Academy Award for his sensitive portrayal of a math genius working as a janitor in "Good Will Hunting", later metamorphosed into an action hero with the car-chase and gunfire-filled Jason Bourne franchise.
Split into simpler sentences: US actor Matt Damon, who was nominated for an Academy Award for his sensitive portrayal of a math genius working as a janitor in "Good Will Hunting". He later metamorphosed into an action hero with the car-chase and gunfire-filled Jason Bourne franchise.