[Heidi] kissed her husband [Jeff]. He had made her the happiest woman in the world. [Jeff] and his father [Wayne] played video games all day last Saturday.
('Heidi', 'Wayne')
[Heidi] kissed her husband [Jeff]. He had made her the happiest woman in the world. [Jeff] and his father [Wayne] played video games all day last Saturday.
[{('Heidi', 'father-in-law', 'Wayne'): [('Heidi', 'husband', 'Jeff'), ('Jeff', 'father', 'Wayne')]}]
['husband', 'father']