[Samuel] went to the wedding ceremony for his brother [Wayne]. [Beverly] is swimming with her son [Wayne]. [Beverly]'s dad, [Harold], is joining them later. [Louis] and his son [Samuel] went to the store to by bread.
('Louis', 'Harold')
[Louis] and his son [Samuel] went to the store to by bread. [Samuel] went to the wedding ceremony for his brother [Wayne]. [Beverly] is swimming with her son [Wayne]. [Beverly]'s dad, [Harold], is joining them later.
[{('Louis', 'father', 'Harold'): [('Louis', 'son', 'Samuel'), ('Samuel', 'grandfather', 'Harold')]}, {('Samuel', 'grandfather', 'Harold'): [('Samuel', 'brother', 'Wayne'), ('Wayne', 'grandfather', 'Harold')]}, {('Wayne', 'grandfather', 'Harold'): [('Wayne', 'mother', 'Beverly'), ('Beverly', 'father', 'Harold')]}]
['son', 'brother', 'mother', 'father']