[Jeff] has been married for over 10 years now. He has a lovely wife named [Heidi]. [Heidi] took her father [Wayne] to watch a movie together.
('Jeff', 'Wayne')
[Jeff] has been married for over 10 years now. He has a lovely wife named [Heidi]. [Heidi] took her father [Wayne] to watch a movie together.
[{('Jeff', 'father-in-law', 'Wayne'): [('Jeff', 'wife', 'Heidi'), ('Heidi', 'father', 'Wayne')]}]
['wife', 'father']