[Tracy] was sewing a sweater for her sister [Beverly]. [Bettie] loves her brother [Bernardo]. [Bobby] has a loving mother named [Tracy]. [Bobby] and his sister, [Bettie], love to go to the park together.
('Beverly', 'Bernardo')
[Tracy] was sewing a sweater for her sister [Beverly]. [Bobby] has a loving mother named [Tracy]. [Bobby] and his sister, [Bettie], love to go to the park together. [Bettie] loves her brother [Bernardo].
[{('Beverly', 'nephew', 'Bernardo'): [('Beverly', 'sister', 'Tracy'), ('Tracy', 'son', 'Bernardo')]}, {('Tracy', 'son', 'Bernardo'): [('Tracy', 'daughter', 'Bettie'), ('Bettie', 'brother', 'Bernardo')]}, {('Tracy', 'daughter', 'Bettie'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'sister', 'Bettie')]}]
['sister', 'son', 'sister', 'brother']