[Jeffrey] met his brother [James] for drinks after work. [Pedro]'s son, [Jeffrey], was ill and needed to be picked up at school. [Pedro] hurried to his side. [James] took his mother [Dorothy] a new pot for her flowers. [Beverly] and her sister [Dorothy] played golf together. [Beverly] won easily.
('Pedro', 'Beverly')
[Pedro]'s son, [Jeffrey], was ill and needed to be picked up at school. [Pedro] hurried to his side. [Jeffrey] met his brother [James] for drinks after work. [James] took his mother [Dorothy] a new pot for her flowers. [Beverly] and her sister [Dorothy] played golf together. [Beverly] won easily.
[{('Pedro', 'sister', 'Beverly'): [('Pedro', 'son', 'James'), ('James', 'aunt', 'Beverly')]}, {('Pedro', 'son', 'James'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'brother', 'James')]}, {('James', 'aunt', 'Beverly'): [('James', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}]
['son', 'brother', 'mother', 'sister']