[Clarence]'s granddaughter [Jennifer] is coming over to visit him this afternoon. [Milton] liked to talk about his sister, [Jennifer].
('Milton', 'Clarence')
[Milton] liked to talk about his sister, [Jennifer]. [Clarence]'s granddaughter [Jennifer] is coming over to visit him this afternoon.
[{('Milton', 'grandfather', 'Clarence'): [('Milton', 'sister', 'Jennifer'), ('Jennifer', 'grandfather', 'Clarence')]}]
['sister', 'grandfather']