[Glen] love his brother [Dennis]. They are always playing together. [Glen]'s dad [Nicholas] is the CEO of the company.
('Dennis', 'Nicholas')
[Glen] love his brother [Dennis]. They are always playing together. [Glen]'s dad [Nicholas] is the CEO of the company.
[{('Dennis', 'father', 'Nicholas'): [('Dennis', 'brother', 'Glen'), ('Glen', 'father', 'Nicholas')]}]
['brother', 'father']