[Mario]'s brother, [Ronald], is important to him. [Mario]'s mom, [Marie], cares for both of them. [Annie] went to visit her aunt, [Marie], who's birthday was yesterday. [Annie] invited her father [Pedro] to dinner.
('Pedro', 'Ronald')
[Annie] invited her father [Pedro] to dinner. [Annie] went to visit her aunt, [Marie], who's birthday was yesterday. [Mario]'s brother, [Ronald], is important to him. [Mario]'s mom, [Marie], cares for both of them.
[{('Pedro', 'nephew', 'Ronald'): [('Pedro', 'sister', 'Marie'), ('Marie', 'son', 'Ronald')]}, {('Marie', 'son', 'Ronald'): [('Marie', 'son', 'Mario'), ('Mario', 'brother', 'Ronald')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'daughter', 'Annie'), ('Annie', 'aunt', 'Marie')]}]
['daughter', 'aunt', 'son', 'brother']