[Allan] cooked dinner for his wife [Lizzie] [Mario] took his brother [Ronald] out to get drinks after a long work week. [Allan] and his brother [Ronald] went to the park. They threw a ball around and played with their dog. [Marie] visited her son [Mario] at college.
('Marie', 'Lizzie')
[Marie] visited her son [Mario] at college. [Mario] took his brother [Ronald] out to get drinks after a long work week. [Allan] and his brother [Ronald] went to the park. They threw a ball around and played with their dog. [Allan] cooked dinner for his wife [Lizzie]
[{('Marie', 'daughter-in-law', 'Lizzie'): [('Marie', 'son', 'Allan'), ('Allan', 'wife', 'Lizzie')]}, {('Marie', 'son', 'Allan'): [('Marie', 'son', 'Mario'), ('Mario', 'brother', 'Allan')]}, {('Mario', 'brother', 'Allan'): [('Mario', 'brother', 'Ronald'), ('Ronald', 'brother', 'Allan')]}]
['son', 'brother', 'brother', 'wife']