[Wayne]'s father, [Clarence], bought him some ice cream. [Lorraine] and her father [Wayne] went to the park. They had a wonderful time there, feeding the ducks.
('Lorraine', 'Clarence')
[Lorraine] and her father [Wayne] went to the park. They had a wonderful time there, feeding the ducks. [Wayne]'s father, [Clarence], bought him some ice cream.
[{('Lorraine', 'grandfather', 'Clarence'): [('Lorraine', 'father', 'Wayne'), ('Wayne', 'father', 'Clarence')]}]
['father', 'father']