[Glen] ate dinner with his wife [Natalia]. [Natalia] asked her father [Nicholas] to take her to school. [Nicholas] said he'd take her in a few minutes.
('Glen', 'Nicholas')
[Glen] ate dinner with his wife [Natalia]. [Natalia] asked her father [Nicholas] to take her to school. [Nicholas] said he'd take her in a few minutes.
[{('Glen', 'father-in-law', 'Nicholas'): [('Glen', 'wife', 'Natalia'), ('Natalia', 'father', 'Nicholas')]}]
['wife', 'father']