[Ashley] was baking cookies for her grandson, [Dennis]. [Dennis]'s brother [Glen] came home from school, so she baked some extra for him, too.
('Ashley', 'Glen')
[Ashley] was baking cookies for her grandson, [Dennis]. [Dennis]'s brother [Glen] came home from school, so she baked some extra for him, too.
[{('Ashley', 'grandson', 'Glen'): [('Ashley', 'grandson', 'Dennis'), ('Dennis', 'brother', 'Glen')]}]
['grandson', 'brother']