[Michael] got mad at his brother [Milton] after he stole his pretzels. [Michael]'s grandfather, [Clarence], was part of a famous band.
('Milton', 'Clarence')
[Michael] got mad at his brother [Milton] after he stole his pretzels. [Michael]'s grandfather, [Clarence], was part of a famous band.
[{('Milton', 'grandfather', 'Clarence'): [('Milton', 'brother', 'Michael'), ('Michael', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']