[Louis]'s son, [Michael], went to the candy store. [Michael]'s brother, [Wayne], went with him. [Robert] invited his nephew [Wayne] to go hunting with him on Saturday. [Wayne] said he would love to go with him. [Harold]'s son, [Louis], had been misbehaving, so [Harold] had to spank him.
('Harold', 'Robert')
[Harold]'s son, [Louis], had been misbehaving, so [Harold] had to spank him. [Louis]'s son, [Michael], went to the candy store. [Michael]'s brother, [Wayne], went with him. [Robert] invited his nephew [Wayne] to go hunting with him on Saturday. [Wayne] said he would love to go with him.
[{('Harold', 'son', 'Robert'): [('Harold', 'son', 'Louis'), ('Louis', 'brother', 'Robert')]}, {('Louis', 'brother', 'Robert'): [('Louis', 'son', 'Wayne'), ('Wayne', 'uncle', 'Robert')]}, {('Louis', 'son', 'Wayne'): [('Louis', 'son', 'Michael'), ('Michael', 'brother', 'Wayne')]}]
['son', 'son', 'brother', 'uncle']