[Ashley] went to the park with her grandson [Glen]. [Glen] played by himself until his brother [Dennis] came to the park after school.
('Ashley', 'Glen')
[Ashley] went to the park with her grandson [Glen]. [Glen] played by himself until his brother [Dennis] came to the park after school.
[{('Ashley', 'grandson', 'Glen'): [('Ashley', 'grandson', 'Dennis'), ('Dennis', 'brother', 'Glen')]}]
['grandson', 'brother']