[Lillian] is always around her brother [Dale]. [Dale]'s father, [Clarence], bought him some ice cream.
('Lillian', 'Clarence')
[Lillian] is always around her brother [Dale]. [Dale]'s father, [Clarence], bought him some ice cream.
[{('Lillian', 'father', 'Clarence'): [('Lillian', 'brother', 'Dale'), ('Dale', 'father', 'Clarence')]}]
['brother', 'father']