[Clarence] wanted to visit his son, [Wayne] for the holidays. He also wanted to see [Wayne]'s daughter [Heidi].
('Heidi', 'Clarence')
[Clarence] wanted to visit his son, [Wayne] for the holidays. He also wanted to see [Wayne]'s daughter [Heidi].
[{('Heidi', 'grandfather', 'Clarence'): [('Heidi', 'father', 'Wayne'), ('Wayne', 'father', 'Clarence')]}]
['father', 'father']