[Pedro] read his daughter [Cheryl] a bedtime story. Soon she was fast asleep. [Marie] was more than happy to help her sister by watching her child [Cheryl]. [Michelle]'s sister [Elsie] painted a picture for [Michelle]'s mother, [Marie].
('Pedro', 'Elsie')
[Pedro] read his daughter [Cheryl] a bedtime story. Soon she was fast asleep. [Marie] was more than happy to help her sister by watching her child [Cheryl]. [Michelle]'s sister [Elsie] painted a picture for [Michelle]'s mother, [Marie].
[{('Pedro', 'niece', 'Elsie'): [('Pedro', 'sister', 'Marie'), ('Marie', 'daughter', 'Elsie')]}, {('Marie', 'daughter', 'Elsie'): [('Marie', 'daughter', 'Michelle'), ('Michelle', 'sister', 'Elsie')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'aunt', 'Marie')]}]
['daughter', 'aunt', 'daughter', 'sister']