[Pamela] has a sister named [Martha] and a brother named [Chris]. [James] and his granddaughter [Pamela] are very excited about going to a movie premier tonight
('James', 'Martha')
[James] and his granddaughter [Pamela] are very excited about going to a movie premier tonight [Pamela] has a sister named [Martha] and a brother named [Chris].
[{('James', 'granddaughter', 'Martha'): [('James', 'granddaughter', 'Pamela'), ('Pamela', 'sister', 'Martha')]}, {('Pamela', 'sister', 'Martha'): [('Pamela', 'brother', 'Chris'), ('Chris', 'sister', 'Martha')]}]
['granddaughter', 'brother', 'sister']