[Erika] and her husband [Bernardo] had a quiet date-night at home last night. [Bettie] does n't like her brother [Aaron]. [Antonio] is a man with a son named [Aaron]. [Bernardo] and his sister [Bettie] walked to school together every day, since they only lived two blocks away from the school.
('Erika', 'Antonio')
[Erika] and her husband [Bernardo] had a quiet date-night at home last night. [Bernardo] and his sister [Bettie] walked to school together every day, since they only lived two blocks away from the school. [Bettie] does n't like her brother [Aaron]. [Antonio] is a man with a son named [Aaron].
[{('Erika', 'father-in-law', 'Antonio'): [('Erika', 'husband', 'Bernardo'), ('Bernardo', 'father', 'Antonio')]}, {('Bernardo', 'father', 'Antonio'): [('Bernardo', 'sister', 'Bettie'), ('Bettie', 'father', 'Antonio')]}, {('Bettie', 'father', 'Antonio'): [('Bettie', 'brother', 'Aaron'), ('Aaron', 'father', 'Antonio')]}]
['husband', 'sister', 'brother', 'father']