[Theresa] likes taking her son [Travis] to school. [Clarence] is retired and likes to ride his golf cart around the beach. His grandson [Travis] stayed with him all summer and he loved riding in the golf cart.
('Theresa', 'Clarence')
[Theresa] likes taking her son [Travis] to school. [Clarence] is retired and likes to ride his golf cart around the beach. His grandson [Travis] stayed with him all summer and he loved riding in the golf cart.
[{('Theresa', 'father', 'Clarence'): [('Theresa', 'son', 'Travis'), ('Travis', 'grandfather', 'Clarence')]}]
['son', 'grandfather']