[Tracy] loved spending the day at the park with her brother [Robert] and his son [Mario] [Mario] and his brother [Ronald] just talked on the phone for the first time in years. [Allan] and his brother [Ronald] went to the movies. [Allan] wanted to see an action movie, but [Ronald] convinced him to go to a horror film instead.
('Tracy', 'Allan')
[Tracy] loved spending the day at the park with her brother [Robert] and his son [Mario] [Mario] and his brother [Ronald] just talked on the phone for the first time in years. [Allan] and his brother [Ronald] went to the movies. [Allan] wanted to see an action movie, but [Ronald] convinced him to go to a horror film instead.
[{('Tracy', 'nephew', 'Allan'): [('Tracy', 'brother', 'Robert'), ('Robert', 'son', 'Allan')]}, {('Robert', 'son', 'Allan'): [('Robert', 'son', 'Ronald'), ('Ronald', 'brother', 'Allan')]}, {('Robert', 'son', 'Ronald'): [('Robert', 'son', 'Mario'), ('Mario', 'brother', 'Ronald')]}]
['brother', 'son', 'brother', 'brother']