[Hugh] is a man with a son named [Brandon]. [Hugh] made a grilled cheese for his son [Michael]. [Michael]'s brother [Bobby] ate a salad.
('Brandon', 'Bobby')
[Hugh] is a man with a son named [Brandon]. [Hugh] made a grilled cheese for his son [Michael]. [Michael]'s brother [Bobby] ate a salad.
[{('Brandon', 'brother', 'Bobby'): [('Brandon', 'father', 'Hugh'), ('Hugh', 'son', 'Bobby')]}, {('Hugh', 'son', 'Bobby'): [('Hugh', 'son', 'Michael'), ('Michael', 'brother', 'Bobby')]}]
['father', 'son', 'brother']