[Pedro]'s son [Roberto] is in the hospital. [Roberto]'s brother [Jeffrey] accidentally hit him with a hammer. [Marie] returned home from work to find her daughter Jesse asleep on the couch. Jesse's older brother [Mario] was doing his homework in his room. [Jeffrey] was busy planning a 90th birthday party for his aunt, [Marie].
('Pedro', 'Mario')
[Pedro]'s son [Roberto] is in the hospital. [Roberto]'s brother [Jeffrey] accidentally hit him with a hammer. [Jeffrey] was busy planning a 90th birthday party for his aunt, [Marie]. [Marie] returned home from work to find her daughter Jesse asleep on the couch. Jesse's older brother [Mario] was doing his homework in his room.
[{('Pedro', 'nephew', 'Mario'): [('Pedro', 'sister', 'Marie'), ('Marie', 'son', 'Mario')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'son', 'Jeffrey'), ('Jeffrey', 'aunt', 'Marie')]}, {('Pedro', 'son', 'Jeffrey'): [('Pedro', 'son', 'Roberto'), ('Roberto', 'brother', 'Jeffrey')]}]
['son', 'brother', 'aunt', 'son']