[Frances] loves cooking for her son. His name is [Hugh]. [Bobby] and his sister [Marie] are going for a walk. [Hugh] 'son [Bobby] could not believe that his father bought him a coffee machine for his birthday.
('Frances', 'Marie')
[Frances] loves cooking for her son. His name is [Hugh]. [Hugh] 'son [Bobby] could not believe that his father bought him a coffee machine for his birthday. [Bobby] and his sister [Marie] are going for a walk.
[{('Frances', 'granddaughter', 'Marie'): [('Frances', 'son', 'Hugh'), ('Hugh', 'daughter', 'Marie')]}, {('Hugh', 'daughter', 'Marie'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'sister', 'Marie')]}]
['son', 'son', 'sister']