[Pedro] took his son [Jeffrey] for boxing lessons. He felt the boy needed to toughen up. [Rebecca] loves her brother [James]. [Pedro] has a son named [James] that looks exactly like him. [Jeffrey] always looked up to his brother [Roberto].
('Rebecca', 'Roberto')
[Rebecca] loves her brother [James]. [Pedro] has a son named [James] that looks exactly like him. [Pedro] took his son [Jeffrey] for boxing lessons. He felt the boy needed to toughen up. [Jeffrey] always looked up to his brother [Roberto].
[{('Rebecca', 'brother', 'Roberto'): [('Rebecca', 'father', 'Pedro'), ('Pedro', 'son', 'Roberto')]}, {('Rebecca', 'father', 'Pedro'): [('Rebecca', 'brother', 'James'), ('James', 'father', 'Pedro')]}, {('Pedro', 'son', 'Roberto'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'brother', 'Roberto')]}]
['brother', 'father', 'son', 'brother']