[Pedro] took his niece [Erika] to the park to walk her dog. [Marie] is always around her brother [Antonio]. [Tracy]'s daughter, [Erika], and her husband [Antonio] helped her weed the garden.
('Marie', 'Pedro')
[Marie] is always around her brother [Antonio]. [Tracy]'s daughter, [Erika], and her husband [Antonio] helped her weed the garden. [Pedro] took his niece [Erika] to the park to walk her dog.
[{('Marie', 'brother', 'Pedro'): [('Marie', 'brother', 'Antonio'), ('Antonio', 'brother', 'Pedro')]}, {('Antonio', 'brother', 'Pedro'): [('Antonio', 'daughter', 'Erika'), ('Erika', 'uncle', 'Pedro')]}, {('Antonio', 'daughter', 'Erika'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'daughter', 'Erika')]}]
['brother', 'wife', 'daughter', 'uncle']