[Ashley] wrote a nice letter to her grandson [Dennis]. [Natalia] and her brother [Dennis] sat down together to clip coupons.
('Ashley', 'Natalia')
[Ashley] wrote a nice letter to her grandson [Dennis]. [Natalia] and her brother [Dennis] sat down together to clip coupons.
[{('Ashley', 'granddaughter', 'Natalia'): [('Ashley', 'grandson', 'Dennis'), ('Dennis', 'sister', 'Natalia')]}]
['grandson', 'sister']