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