[Antonio] and his sister [Dorothy] threw a surprise pizza party for [Antonio]'s son, [Bernardo]. [Tracy], [Bettie]'s mother, was eager to plan a trip with her so she asked her brother, [Bernardo], for advice.
('Tracy', 'Dorothy')
[Tracy], [Bettie]'s mother, was eager to plan a trip with her so she asked her brother, [Bernardo], for advice. [Antonio] and his sister [Dorothy] threw a surprise pizza party for [Antonio]'s son, [Bernardo].
[{('Tracy', 'sister', 'Dorothy'): [('Tracy', 'daughter', 'Bettie'), ('Bettie', 'aunt', 'Dorothy')]}, {('Bettie', 'aunt', 'Dorothy'): [('Bettie', 'father', 'Antonio'), ('Antonio', 'sister', 'Dorothy')]}, {('Bettie', 'father', 'Antonio'): [('Bettie', 'brother', 'Bernardo'), ('Bernardo', 'father', 'Antonio')]}]
['daughter', 'brother', 'father', 'sister']