[George]'s father, [Clarence], recently had a falling out with each other. [George] and his daughter, [Ann] had tea.
('Ann', 'Clarence')
[George] and his daughter, [Ann] had tea. [George]'s father, [Clarence], recently had a falling out with each other.
[{('Ann', 'grandfather', 'Clarence'): [('Ann', 'father', 'George'), ('George', 'father', 'Clarence')]}]
['father', 'father']