[Cheryl] and her mother [Dorothy] attended a play at the theater. [Rebecca] is a woman with a sister named [Heather]. [Rebecca]'s mom, [Dorothy], has recently taken art classes. [Pedro] took his daughter [Cheryl] to the movies
('Heather', 'Pedro')
[Rebecca] is a woman with a sister named [Heather]. [Rebecca]'s mom, [Dorothy], has recently taken art classes. [Cheryl] and her mother [Dorothy] attended a play at the theater. [Pedro] took his daughter [Cheryl] to the movies
[{('Heather', 'father', 'Pedro'): [('Heather', 'sister', 'Cheryl'), ('Cheryl', 'father', 'Pedro')]}, {('Heather', 'sister', 'Cheryl'): [('Heather', 'mother', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Heather', 'mother', 'Dorothy'): [('Heather', 'sister', 'Rebecca'), ('Rebecca', 'mother', 'Dorothy')]}]
['sister', 'mother', 'daughter', 'father']