[Clarence] took his grandson [Kevin] to the store to buy some new books. [Wayne]'s son, [Kevin], had been misbehaving, so [Wayne] had to spank him.
('Wayne', 'Clarence')
[Wayne]'s son, [Kevin], had been misbehaving, so [Wayne] had to spank him. [Clarence] took his grandson [Kevin] to the store to buy some new books.
[{('Wayne', 'father', 'Clarence'): [('Wayne', 'son', 'Kevin'), ('Kevin', 'grandfather', 'Clarence')]}]
['son', 'grandfather']