[Annie] was playing hide-and-seek with her sister [Cheryl]. [Harold] is taking his son [Pedro] on a camping trip for the weekend. [Cheryl]'s father is named [Pedro]. [Antonio] bought a book for his father [Harold].
('Annie', 'Antonio')
[Annie] was playing hide-and-seek with her sister [Cheryl]. [Cheryl]'s father is named [Pedro]. [Harold] is taking his son [Pedro] on a camping trip for the weekend. [Antonio] bought a book for his father [Harold].
[{('Annie', 'uncle', 'Antonio'): [('Annie', 'father', 'Pedro'), ('Pedro', 'brother', 'Antonio')]}, {('Annie', 'father', 'Pedro'): [('Annie', 'sister', 'Cheryl'), ('Cheryl', 'father', 'Pedro')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'father', 'Harold'), ('Harold', 'son', 'Antonio')]}]
['sister', 'father', 'father', 'son']