[Tracy] took her nephew [Wayne] to see a movie last Saturday. They had a good time. [Dorothy] does n't like her brother [Louis]. [Louis] made a grilled cheese for his son [Samuel]. [Samuel]'s brother [Wayne] ate a salad.
('Dorothy', 'Tracy')
[Dorothy] does n't like her brother [Louis]. [Louis] made a grilled cheese for his son [Samuel]. [Samuel]'s brother [Wayne] ate a salad. [Tracy] took her nephew [Wayne] to see a movie last Saturday. They had a good time.
[{('Dorothy', 'sister', 'Tracy'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'sister', 'Tracy')]}, {('Louis', 'sister', 'Tracy'): [('Louis', 'son', 'Wayne'), ('Wayne', 'aunt', 'Tracy')]}, {('Louis', 'son', 'Wayne'): [('Louis', 'son', 'Samuel'), ('Samuel', 'brother', 'Wayne')]}]
['brother', 'son', 'brother', 'aunt']