[Ashley] took her grandson, [Tony], to the zoo. [Tony]'s sister, [June], had to stay home because she was sick.
('Ashley', 'June')
[Ashley] took her grandson, [Tony], to the zoo. [Tony]'s sister, [June], had to stay home because she was sick.
[{('Ashley', 'granddaughter', 'June'): [('Ashley', 'grandson', 'Tony'), ('Tony', 'sister', 'June')]}]
['grandson', 'sister']