[Fernando] went to the park with his grandpa [Roy]. Then [Roy] came home and cooked dinner for his wife [Mary].
('Mary', 'Fernando')
[Fernando] went to the park with his grandpa [Roy]. Then [Roy] came home and cooked dinner for his wife [Mary].
[{('Mary', 'grandson', 'Fernando'): [('Mary', 'husband', 'Roy'), ('Roy', 'grandson', 'Fernando')]}]