[Antonio] took his son [Bobby] to soccer practice. [Bobby] bought his sister [Bettie] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Bettie]'s uncle [Pedro] was looking forward to visiting for the summer. [Louis] was angry with his brother [Antonio] for forgetting to pick him up from school.
('Louis', 'Pedro')
[Louis] was angry with his brother [Antonio] for forgetting to pick him up from school. [Antonio] took his son [Bobby] to soccer practice. [Bobby] bought his sister [Bettie] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Bettie]'s uncle [Pedro] was looking forward to visiting for the summer.
[{('Louis', 'brother', 'Pedro'): [('Louis', 'brother', 'Antonio'), ('Antonio', 'brother', 'Pedro')]}, {('Antonio', 'brother', 'Pedro'): [('Antonio', 'daughter', 'Bettie'), ('Bettie', 'uncle', 'Pedro')]}, {('Antonio', 'daughter', 'Bettie'): [('Antonio', 'son', 'Bobby'), ('Bobby', 'sister', 'Bettie')]}]
['brother', 'son', 'sister', 'uncle']