[Michael] and his sister [Jennifer] took their father out to eat for his birthday. They had a great time. [Louis]'s son is [Michael]. [Michael] and his father always go fishing together on Sundays and have a great time together. [Louis] asked his father, [Harold] to help him build a birdhouse. [Harold] is the loving father of a beautiful girl named [Dorothy].
('Dorothy', 'Jennifer')
[Harold] is the loving father of a beautiful girl named [Dorothy]. [Louis] asked his father, [Harold] to help him build a birdhouse. [Louis]'s son is [Michael]. [Michael] and his father always go fishing together on Sundays and have a great time together. [Michael] and his sister [Jennifer] took their father out to eat for his birthday. They had a great time.
[{('Dorothy', 'niece', 'Jennifer'): [('Dorothy', 'brother', 'Louis'), ('Louis', 'daughter', 'Jennifer')]}, {('Dorothy', 'brother', 'Louis'): [('Dorothy', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}, {('Louis', 'daughter', 'Jennifer'): [('Louis', 'son', 'Michael'), ('Michael', 'sister', 'Jennifer')]}]
['father', 'son', 'son', 'sister']