[Antonio] was playing catch with his son, [Bernardo]. [Bettie] imitated her brother throwing the ball back and forth. [Bettie] and her sister [Aaron] went to the ice cream shop. [Antonio] asked his father, [Harold], to help him with his math homework. [Harold] could n't, because he was lousy at math himself.
('Aaron', 'Harold')
[Bettie] and her sister [Aaron] went to the ice cream shop. [Antonio] was playing catch with his son, [Bernardo]. [Bettie] imitated her brother throwing the ball back and forth. [Antonio] asked his father, [Harold], to help him with his math homework. [Harold] could n't, because he was lousy at math himself.
[{('Aaron', 'grandfather', 'Harold'): [('Aaron', 'father', 'Antonio'), ('Antonio', 'father', 'Harold')]}, {('Aaron', 'father', 'Antonio'): [('Aaron', 'sister', 'Bettie'), ('Bettie', 'father', 'Antonio')]}, {('Bettie', 'father', 'Antonio'): [('Bettie', 'brother', 'Bernardo'), ('Bernardo', 'father', 'Antonio')]}]
['sister', 'brother', 'father', 'father']