[Pedro]'s son [Jerome] entered rehab for the ninth time at the age of thirty. [Jerome] liked to talk about his sister, [Cheryl]. [Dorothy] and her daughter [Heather] went out for ice cream. [Dorothy] got a cone and [Heather] got a sundae. [Cheryl] went shopping at the mall with her mother [Dorothy]
('Pedro', 'Heather')
[Pedro]'s son [Jerome] entered rehab for the ninth time at the age of thirty. [Jerome] liked to talk about his sister, [Cheryl]. [Cheryl] went shopping at the mall with her mother [Dorothy] [Dorothy] and her daughter [Heather] went out for ice cream. [Dorothy] got a cone and [Heather] got a sundae.
[{('Pedro', 'daughter', 'Heather'): [('Pedro', 'son', 'Jerome'), ('Jerome', 'sister', 'Heather')]}, {('Jerome', 'sister', 'Heather'): [('Jerome', 'mother', 'Dorothy'), ('Dorothy', 'daughter', 'Heather')]}, {('Jerome', 'mother', 'Dorothy'): [('Jerome', 'sister', 'Cheryl'), ('Cheryl', 'mother', 'Dorothy')]}]
['son', 'sister', 'mother', 'daughter']