[Lorraine] could n't wait for her father, [Wayne], to see the gift she bought for him. [Wayne] and his father [Clarence] played video games all day last Saturday.
('Lorraine', 'Clarence')
[Lorraine] could n't wait for her father, [Wayne], to see the gift she bought for him. [Wayne] and his father [Clarence] played video games all day last Saturday.
[{('Lorraine', 'grandfather', 'Clarence'): [('Lorraine', 'father', 'Wayne'), ('Wayne', 'father', 'Clarence')]}]
['father', 'father']