[Louis] was unhappy with his daughter, [Jennifer], when she drove his Mercedes without asking for his permission. [Harold] watched his son [Robert] play catch. [Robert] tossed the ball back and fourth with his brother [Louis]. [Jennifer] got a big birthday cake from her aunt [Dorothy].
('Harold', 'Dorothy')
[Harold] watched his son [Robert] play catch. [Robert] tossed the ball back and fourth with his brother [Louis]. [Louis] was unhappy with his daughter, [Jennifer], when she drove his Mercedes without asking for his permission. [Jennifer] got a big birthday cake from her aunt [Dorothy].
[{('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Louis'), ('Louis', 'sister', 'Dorothy')]}, {('Louis', 'sister', 'Dorothy'): [('Louis', 'daughter', 'Jennifer'), ('Jennifer', 'aunt', 'Dorothy')]}, {('Harold', 'son', 'Louis'): [('Harold', 'son', 'Robert'), ('Robert', 'brother', 'Louis')]}]
['son', 'brother', 'daughter', 'aunt']