[Jeffrey] is a man with a son named [Pedro]. [Rebecca], [Jeffrey]'s sister, was helping him around the house. Her brother [Roberto] was helping out too. [Roberto] was invited to his Aunt [Beverly]'s wedding next Spring.
('Pedro', 'Beverly')
[Jeffrey] is a man with a son named [Pedro]. [Rebecca], [Jeffrey]'s sister, was helping him around the house. Her brother [Roberto] was helping out too. [Roberto] was invited to his Aunt [Beverly]'s wedding next Spring.
[{('Pedro', 'sister', 'Beverly'): [('Pedro', 'son', 'Roberto'), ('Roberto', 'aunt', 'Beverly')]}, {('Pedro', 'son', 'Roberto'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'brother', 'Roberto')]}, {('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'sister', 'Rebecca')]}]
['son', 'sister', 'brother', 'aunt']