[Dennis] asked his father [Nicholas] if he could borrow some money. [Dennis] is a very hot guy, but his sister [Natalia] is even more attractive.
('Natalia', 'Nicholas')
[Dennis] is a very hot guy, but his sister [Natalia] is even more attractive. [Dennis] asked his father [Nicholas] if he could borrow some money.
[{('Natalia', 'father', 'Nicholas'): [('Natalia', 'brother', 'Dennis'), ('Dennis', 'father', 'Nicholas')]}]
['brother', 'father']