[Tracy] is [Antonio]'s first wife [Beverly] and her brother [Antonio] played ball outside. [Beverly]'s brother [Robert] stayed inside. [Tracy]'s daughter, [Bettie], asked her mom to read her a story.
('Robert', 'Bettie')
[Beverly] and her brother [Antonio] played ball outside. [Beverly]'s brother [Robert] stayed inside. [Tracy] is [Antonio]'s first wife [Tracy]'s daughter, [Bettie], asked her mom to read her a story.
[{('Robert', 'niece', 'Bettie'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'daughter', 'Bettie')]}, {('Antonio', 'daughter', 'Bettie'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Robert', 'brother', 'Antonio'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'brother', 'Antonio')]}]
['sister', 'brother', 'wife', 'daughter']