[Louis] and his brother [Pedro] went to the park. They threw a ball around and played with their dog. [Wayne] wanted to go to the park with his sister [Jennifer]. [Jennifer] said she'd rather go swimming with her sister [Nicole] instead. [Louis] took his son [Wayne] to school this morning because he missed the bus.
('Pedro', 'Nicole')
[Louis] and his brother [Pedro] went to the park. They threw a ball around and played with their dog. [Louis] took his son [Wayne] to school this morning because he missed the bus. [Wayne] wanted to go to the park with his sister [Jennifer]. [Jennifer] said she'd rather go swimming with her sister [Nicole] instead.
[{('Pedro', 'niece', 'Nicole'): [('Pedro', 'brother', 'Louis'), ('Louis', 'daughter', 'Nicole')]}, {('Louis', 'daughter', 'Nicole'): [('Louis', 'son', 'Wayne'), ('Wayne', 'sister', 'Nicole')]}, {('Wayne', 'sister', 'Nicole'): [('Wayne', 'sister', 'Jennifer'), ('Jennifer', 'sister', 'Nicole')]}]
['brother', 'son', 'sister', 'sister']