[Clarence] is a man with a son named [Wayne]. [Wayne] liked to play catch with his daughter [Heidi].
('Heidi', 'Clarence')
[Wayne] liked to play catch with his daughter [Heidi]. [Clarence] is a man with a son named [Wayne].
[{('Heidi', 'grandfather', 'Clarence'): [('Heidi', 'father', 'Wayne'), ('Wayne', 'father', 'Clarence')]}]
['father', 'father']