[Louis] took his daughter [Nettie] to soccer practice while his son [Samuel] played golf with his grandfather [Harold]. [Paul] did n't get along very well with his sister [Nettie] for some reason.
('Paul', 'Harold')
[Paul] did n't get along very well with his sister [Nettie] for some reason. [Louis] took his daughter [Nettie] to soccer practice while his son [Samuel] played golf with his grandfather [Harold].
[{('Paul', 'grandfather', 'Harold'): [('Paul', 'brother', 'Samuel'), ('Samuel', 'grandfather', 'Harold')]}, {('Paul', 'brother', 'Samuel'): [('Paul', 'sister', 'Nettie'), ('Nettie', 'brother', 'Samuel')]}, {('Nettie', 'brother', 'Samuel'): [('Nettie', 'father', 'Louis'), ('Louis', 'son', 'Samuel')]}]
['sister', 'father', 'son', 'grandfather']