[Jerome]'s father [Pedro] is going to coach the team this year. [Louis] likes playing catch with his sister [Dorothy], but his brother [Robert] never wants to play. [Dorothy], [Jerome] mother, likes to take him to eat ice cream on Sundays.
('Pedro', 'Robert')
[Jerome]'s father [Pedro] is going to coach the team this year. [Dorothy], [Jerome] mother, likes to take him to eat ice cream on Sundays. [Louis] likes playing catch with his sister [Dorothy], but his brother [Robert] never wants to play.
[{('Pedro', 'brother', 'Robert'): [('Pedro', 'son', 'Jerome'), ('Jerome', 'uncle', 'Robert')]}, {('Jerome', 'uncle', 'Robert'): [('Jerome', 'mother', 'Dorothy'), ('Dorothy', 'brother', 'Robert')]}, {('Dorothy', 'brother', 'Robert'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'brother', 'Robert')]}]
['son', 'mother', 'brother', 'brother']