[Wayne]'s father, [Louis], bought him some ice cream. [Beverly]'s son, [Paul], came over to her house for dinner. [Wayne], [Paul]'s brother, came too. [Samuel] played catch with his dad, [Louis]
('Beverly', 'Samuel')
[Beverly]'s son, [Paul], came over to her house for dinner. [Wayne], [Paul]'s brother, came too. [Wayne]'s father, [Louis], bought him some ice cream. [Samuel] played catch with his dad, [Louis]
[{('Beverly', 'son', 'Samuel'): [('Beverly', 'son', 'Paul'), ('Paul', 'brother', 'Samuel')]}, {('Paul', 'brother', 'Samuel'): [('Paul', 'brother', 'Wayne'), ('Wayne', 'brother', 'Samuel')]}, {('Wayne', 'brother', 'Samuel'): [('Wayne', 'father', 'Louis'), ('Louis', 'son', 'Samuel')]}]
['son', 'brother', 'father', 'son']