[Nancy] fixed her husband [Wayne] spaghetti and a salad for dinner for his birthday because it is his favorite food. [Wayne] bought a dress for his daughter [Heidi].
('Nancy', 'Heidi')
[Nancy] fixed her husband [Wayne] spaghetti and a salad for dinner for his birthday because it is his favorite food. [Wayne] bought a dress for his daughter [Heidi].
[{('Nancy', 'daughter', 'Heidi'): [('Nancy', 'husband', 'Wayne'), ('Wayne', 'daughter', 'Heidi')]}]
['husband', 'daughter']