[Marie] and her son [Mario] went to the zoo and then out to dinner yesterday. [Jerome]'s aunt, [Marie], was ten minutes late to his baseball game. [Dorothy] and her husband [Pedro] took a cruise. [Pedro]'s son [Jerome] watched their dogs while they were gone.
('Dorothy', 'Mario')
[Dorothy] and her husband [Pedro] took a cruise. [Pedro]'s son [Jerome] watched their dogs while they were gone. [Jerome]'s aunt, [Marie], was ten minutes late to his baseball game. [Marie] and her son [Mario] went to the zoo and then out to dinner yesterday.
[{('Dorothy', 'nephew', 'Mario'): [('Dorothy', 'sister', 'Marie'), ('Marie', 'son', 'Mario')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'son', 'Jerome'), ('Jerome', 'aunt', 'Marie')]}, {('Dorothy', 'son', 'Jerome'): [('Dorothy', 'husband', 'Pedro'), ('Pedro', 'son', 'Jerome')]}]
['husband', 'son', 'aunt', 'son']