[Antonio] and [Pedro] were twin brothers. [Pedro] never married, but [Antonio] did and had a daughter, [Bettie] [Bettie] went to her mother's house for a visit. Her sister [Emma] was there as well. When [Bettie] got to the house, her mom was telling [Emma] a story about how [Emma]'s sibling [Bernardo] was always catching frogs and taking them into his bed.
('Pedro', 'Bernardo')
[Antonio] and [Pedro] were twin brothers. [Pedro] never married, but [Antonio] did and had a daughter, [Bettie] [Bettie] went to her mother's house for a visit. Her sister [Emma] was there as well. When [Bettie] got to the house, her mom was telling [Emma] a story about how [Emma]'s sibling [Bernardo] was always catching frogs and taking them into his bed.
[{('Pedro', 'nephew', 'Bernardo'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'son', 'Bernardo')]}, {('Antonio', 'son', 'Bernardo'): [('Antonio', 'daughter', 'Bettie'), ('Bettie', 'brother', 'Bernardo')]}, {('Bettie', 'brother', 'Bernardo'): [('Bettie', 'sister', 'Emma'), ('Emma', 'brother', 'Bernardo')]}]
['brother', 'daughter', 'sister', 'brother']