[Roberto] took [Jeffrey] is brother home, he later visited his brother [James] at the hospital. [Pedro] had a great meal with his son [Jeffrey] and daughter [Rebecca]
('James', 'Rebecca')
[Roberto] took [Jeffrey] is brother home, he later visited his brother [James] at the hospital. [Pedro] had a great meal with his son [Jeffrey] and daughter [Rebecca]
[{('James', 'sister', 'Rebecca'): [('James', 'brother', 'Roberto'), ('Roberto', 'sister', 'Rebecca')]}, {('Roberto', 'sister', 'Rebecca'): [('Roberto', 'brother', 'Jeffrey'), ('Jeffrey', 'sister', 'Rebecca')]}, {('Jeffrey', 'sister', 'Rebecca'): [('Jeffrey', 'father', 'Pedro'), ('Pedro', 'daughter', 'Rebecca')]}]
['brother', 'brother', 'father', 'daughter']