[Frances] scolded her grandson, [Chris]. [Chris] apologized and promised to stop misbehaving. [Chris]'s sister, [Pamela], did n't know how deal with drama at work. She asked her sister, [Martha] for advice
('Frances', 'Pamela')
[Frances] scolded her grandson, [Chris]. [Chris] apologized and promised to stop misbehaving. [Chris]'s sister, [Pamela], did n't know how deal with drama at work. She asked her sister, [Martha] for advice
[{('Frances', 'granddaughter', 'Pamela'): [('Frances', 'grandson', 'Chris'), ('Chris', 'sister', 'Pamela')]}, {('Chris', 'sister', 'Pamela'): [('Chris', 'sister', 'Martha'), ('Martha', 'sister', 'Pamela')]}]
['grandson', 'sister', 'sister']