[Louis] was working on the farm with his son, [Paul]. His wife, [Beverly], called them in for dinner. [Beverly]'s father [Harold] joined them at the table for dinner. [Robert] took his nephew [Paul] to the park to teach him how to ride a bike.
('Harold', 'Robert')
[Louis] was working on the farm with his son, [Paul]. His wife, [Beverly], called them in for dinner. [Beverly]'s father [Harold] joined them at the table for dinner. [Robert] took his nephew [Paul] to the park to teach him how to ride a bike.
[{('Harold', 'son', 'Robert'): [('Harold', 'daughter', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'son', 'Paul'), ('Paul', 'uncle', 'Robert')]}, {('Beverly', 'son', 'Paul'): [('Beverly', 'husband', 'Louis'), ('Louis', 'son', 'Paul')]}]
['daughter', 'husband', 'son', 'uncle']