[Louis] was so proud that his son [Paul] won the science fair! [Marie] took her younger sister [Dorothy] to the carnival last weekend. [Paul] asked his father [Louis] if he could borrow some money. [Paul] loves hearing stories from his aunt [Dorothy].
('Paul', 'Marie')
[Paul] asked his father [Louis] if he could borrow some money. [Louis] was so proud that his son [Paul] won the science fair! [Paul] loves hearing stories from his aunt [Dorothy]. [Marie] took her younger sister [Dorothy] to the carnival last weekend.
[{('Paul', 'aunt', 'Marie'): [('Paul', 'father', 'Louis'), ('Louis', 'sister', 'Marie')]}, {('Louis', 'sister', 'Marie'): [('Louis', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Marie')]}, {('Louis', 'sister', 'Dorothy'): [('Louis', 'son', 'Paul'), ('Paul', 'aunt', 'Dorothy')]}]
['father', 'son', 'aunt', 'sister']