[Cheryl] is a woman with a sister named [Heather]. [Louis] bought a book for his father [Harold]. [Heather] is planning a surprise party for her daughter [Dorothy]. [Heather]'s brother [Louis] is going to help with the setup.
('Harold', 'Cheryl')
[Louis] bought a book for his father [Harold]. [Heather] is planning a surprise party for her daughter [Dorothy]. [Heather]'s brother [Louis] is going to help with the setup. [Cheryl] is a woman with a sister named [Heather].
[{('Harold', 'granddaughter', 'Cheryl'): [('Harold', 'daughter', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'daughter', 'Heather'), ('Heather', 'sister', 'Cheryl')]}, {('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Louis'), ('Louis', 'sister', 'Dorothy')]}]
['son', 'sister', 'daughter', 'sister']