[Glen] and his brother [Milton] wanted to backpack across Europe together once they graduated college. [Milton] and his father [Nicholas] played video games all day last Saturday.
('Glen', 'Nicholas')
[Glen] and his brother [Milton] wanted to backpack across Europe together once they graduated college. [Milton] and his father [Nicholas] played video games all day last Saturday.
[{('Glen', 'father', 'Nicholas'): [('Glen', 'brother', 'Milton'), ('Milton', 'father', 'Nicholas')]}]
['brother', 'father']