[Nicole] and her sister [Jennifer] were going to the store to buy groceries. [Jennifer]'s mom, [Beverly], called [Jennifer] to ask her to buy a gallon of milk. [Louis] took his son [Michael] to batting practice with his baseball team, but had to leave him there alone for an hour to pick up his daughter [Nicole].
('Beverly', 'Michael')
[Nicole] and her sister [Jennifer] were going to the store to buy groceries. [Jennifer]'s mom, [Beverly], called [Jennifer] to ask her to buy a gallon of milk. [Louis] took his son [Michael] to batting practice with his baseball team, but had to leave him there alone for an hour to pick up his daughter [Nicole].
[{('Beverly', 'son', 'Michael'): [('Beverly', 'daughter', 'Jennifer'), ('Jennifer', 'brother', 'Michael')]}, {('Jennifer', 'brother', 'Michael'): [('Jennifer', 'father', 'Louis'), ('Louis', 'son', 'Michael')]}, {('Jennifer', 'father', 'Louis'): [('Jennifer', 'sister', 'Nicole'), ('Nicole', 'father', 'Louis')]}]
['daughter', 'sister', 'father', 'son']