[Pedro]'s son is [Jerome]. [Jerome] and his father always go fishing together on Sundays and have a great time together. [Jerome] bought a new refrigerator for his mother [Dorothy]. [Robert] is taking his father [Harold] out for a drink. [Dorothy] is looking forward to seeing her brother [Robert] later in the evening.
('Pedro', 'Harold')
[Pedro]'s son is [Jerome]. [Jerome] and his father always go fishing together on Sundays and have a great time together. [Jerome] bought a new refrigerator for his mother [Dorothy]. [Robert] is taking his father [Harold] out for a drink. [Dorothy] is looking forward to seeing her brother [Robert] later in the evening.
[{('Pedro', 'father', 'Harold'): [('Pedro', 'brother', 'Robert'), ('Robert', 'father', 'Harold')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'son', 'Jerome'), ('Jerome', 'uncle', 'Robert')]}, {('Jerome', 'uncle', 'Robert'): [('Jerome', 'mother', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}]
['son', 'mother', 'brother', 'father']