[Heather] was playing hide-and-seek with her sister [Cheryl]. [Harold] and his granddaughter [Annie] picked flowers for her father, [Pedro]. [Pedro] put them in a vase, but pulled out one and put it in his daughter [Heather]'s hair.
('Harold', 'Cheryl')
[Harold] and his granddaughter [Annie] picked flowers for her father, [Pedro]. [Pedro] put them in a vase, but pulled out one and put it in his daughter [Heather]'s hair. [Heather] was playing hide-and-seek with her sister [Cheryl].
[{('Harold', 'granddaughter', 'Cheryl'): [('Harold', 'granddaughter', 'Heather'), ('Heather', 'sister', 'Cheryl')]}, {('Harold', 'granddaughter', 'Heather'): [('Harold', 'granddaughter', 'Annie'), ('Annie', 'sister', 'Heather')]}, {('Annie', 'sister', 'Heather'): [('Annie', 'father', 'Pedro'), ('Pedro', 'daughter', 'Heather')]}]
['granddaughter', 'father', 'daughter', 'sister']