[Marie] went shopping for makeup with her sister [Dorothy]. [Marie]'s son [Ronald] stayed at home. [Antonio] and his sister [Dorothy] went to the ice skating rink. [Antonio] fell down and [Dorothy] laughed at him. [Allan] called his brother [Ronald] on the phone. He wanted to go out for some beers.
('Antonio', 'Allan')
[Antonio] and his sister [Dorothy] went to the ice skating rink. [Antonio] fell down and [Dorothy] laughed at him. [Marie] went shopping for makeup with her sister [Dorothy]. [Marie]'s son [Ronald] stayed at home. [Allan] called his brother [Ronald] on the phone. He wanted to go out for some beers.
[{('Antonio', 'nephew', 'Allan'): [('Antonio', 'sister', 'Marie'), ('Marie', 'son', 'Allan')]}, {('Antonio', 'sister', 'Marie'): [('Antonio', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Marie')]}, {('Marie', 'son', 'Allan'): [('Marie', 'son', 'Ronald'), ('Ronald', 'brother', 'Allan')]}]
['sister', 'sister', 'son', 'brother']