Complex sentence: After a football game, one of the players, Brad and his girlfriend Monica invite Rachel to a party at Mark's and she leaves with Monica, while Jesse is sidetracked by Tracy, who attempts to seduce him.
Split into simpler sentences: After a football game, one of the players, Brad, and his girlfriend Monica invite Rachel to a party at Mark's. She leaves with Monica, while Jesse is sidetracked by Tracy, who attempts to seduce him.