[Pedro] and his wife [Dorothy] took their daughter [Rebecca] to the zoo. [Rebecca]'s sister [Cheryl] does n't like animals and did n't go. [Beverly] likes to make mini pies for her niece, [Cheryl].
('Dorothy', 'Beverly')
[Pedro] and his wife [Dorothy] took their daughter [Rebecca] to the zoo. [Rebecca]'s sister [Cheryl] does n't like animals and did n't go. [Beverly] likes to make mini pies for her niece, [Cheryl].
[{('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'daughter', 'Rebecca'), ('Rebecca', 'aunt', 'Beverly')]}, {('Rebecca', 'aunt', 'Beverly'): [('Rebecca', 'father', 'Pedro'), ('Pedro', 'sister', 'Beverly')]}, {('Pedro', 'sister', 'Beverly'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Beverly')]}]
['daughter', 'father', 'daughter', 'aunt']