[Milton]'s father, [Nicholas], bought him some ice cream. [Nicholas] was shopping for a new dress for his daughter [Natalia].
('Milton', 'Natalia')
[Milton]'s father, [Nicholas], bought him some ice cream. [Nicholas] was shopping for a new dress for his daughter [Natalia].
[{('Milton', 'sister', 'Natalia'): [('Milton', 'father', 'Nicholas'), ('Nicholas', 'daughter', 'Natalia')]}]
['father', 'daughter']