[Natasha] and her father [Francisco] went for a hike in the mountains. [Francisco] made a sandwich for his son [Richard]. [Richard]'s brother [Wayne] ate an apple instead.
('Natasha', 'Wayne')
[Natasha] and her father [Francisco] went for a hike in the mountains. [Francisco] made a sandwich for his son [Richard]. [Richard]'s brother [Wayne] ate an apple instead.
[{('Natasha', 'brother', 'Wayne'): [('Natasha', 'brother', 'Richard'), ('Richard', 'brother', 'Wayne')]}, {('Natasha', 'brother', 'Richard'): [('Natasha', 'father', 'Francisco'), ('Francisco', 'son', 'Richard')]}]
['father', 'son', 'brother']