[Jerry] and his sister [April] went to brunch today at the new diner. [Jerry]'s grandfather, [Clarence], picked him up from school.
('April', 'Clarence')
[Jerry] and his sister [April] went to brunch today at the new diner. [Jerry]'s grandfather, [Clarence], picked him up from school.
[{('April', 'grandfather', 'Clarence'): [('April', 'brother', 'Jerry'), ('Jerry', 'grandfather', 'Clarence')]}]
['brother', 'grandfather']