[Dorothy] was talking to her brother [Louis]. [Louis] was telling her how well his son [Michael] was doing on the basketball team. [Beverly] is looking for a good gift for her sister [Marie]. [Beverly] is weary of her son [Michael]'s behaviour. He is often in trouble at school.
('Dorothy', 'Marie')
[Dorothy] was talking to her brother [Louis]. [Louis] was telling her how well his son [Michael] was doing on the basketball team. [Beverly] is weary of her son [Michael]'s behaviour. He is often in trouble at school. [Beverly] is looking for a good gift for her sister [Marie].
[{('Dorothy', 'sister', 'Marie'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'sister', 'Marie')]}, {('Louis', 'sister', 'Marie'): [('Louis', 'son', 'Michael'), ('Michael', 'aunt', 'Marie')]}, {('Michael', 'aunt', 'Marie'): [('Michael', 'mother', 'Beverly'), ('Beverly', 'sister', 'Marie')]}]
['brother', 'son', 'mother', 'sister']