[Beverly]'s son, [Wayne], came over to her house for dinner. [Paul], [Wayne]'s brother, came too. [Beverly] and her husband [Louis] always make sure they have a date night every month. [Samuel] and his father [Louis] played video games all day last Saturday.
('Samuel', 'Paul')
[Samuel] and his father [Louis] played video games all day last Saturday. [Beverly] and her husband [Louis] always make sure they have a date night every month. [Beverly]'s son, [Wayne], came over to her house for dinner. [Paul], [Wayne]'s brother, came too.
[{('Samuel', 'brother', 'Paul'): [('Samuel', 'brother', 'Wayne'), ('Wayne', 'brother', 'Paul')]}, {('Samuel', 'brother', 'Wayne'): [('Samuel', 'father', 'Louis'), ('Louis', 'son', 'Wayne')]}, {('Louis', 'son', 'Wayne'): [('Louis', 'wife', 'Beverly'), ('Beverly', 'son', 'Wayne')]}]
['father', 'wife', 'son', 'brother']