[Heather]'s mother, [Dorothy], was very ill. [Dorothy]'s daughter, [Annie], said she was probably going to die. [Annie]'s sister, [Rebecca], told her to stop being so negative. [Pedro] took his daughter [Heather] to the store
('Pedro', 'Rebecca')
[Pedro] took his daughter [Heather] to the store [Heather]'s mother, [Dorothy], was very ill. [Dorothy]'s daughter, [Annie], said she was probably going to die. [Annie]'s sister, [Rebecca], told her to stop being so negative.
[{('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'sister', 'Rebecca')]}, {('Heather', 'sister', 'Rebecca'): [('Heather', 'sister', 'Annie'), ('Annie', 'sister', 'Rebecca')]}, {('Heather', 'sister', 'Annie'): [('Heather', 'mother', 'Dorothy'), ('Dorothy', 'daughter', 'Annie')]}]
['daughter', 'mother', 'daughter', 'sister']