[Travis] is a sibling of [Tony]. [Dale] and his son [Tony] went to the park to look for different kinds of birds.
('Travis', 'Dale')
[Travis] is a sibling of [Tony]. [Dale] and his son [Tony] went to the park to look for different kinds of birds.
[{('Travis', 'father', 'Dale'): [('Travis', 'brother', 'Tony'), ('Tony', 'father', 'Dale')]}]
['brother', 'father']