[Harold] is so proud of his son. [Pedro] is the son's name. [Antonio] took his sister [Marie] out to dinner for her birthday. [Emma] took her grandfather [Harold] out to eat last Sunday after church. They had ice cream for dessert. [Emma] us the daughter of [Antonio] 'wife.
('Marie', 'Pedro')
[Antonio] took his sister [Marie] out to dinner for her birthday. [Emma] us the daughter of [Antonio] 'wife. [Emma] took her grandfather [Harold] out to eat last Sunday after church. They had ice cream for dessert. [Harold] is so proud of his son. [Pedro] is the son's name.
[{('Marie', 'brother', 'Pedro'): [('Marie', 'father', 'Harold'), ('Harold', 'son', 'Pedro')]}, {('Marie', 'father', 'Harold'): [('Marie', 'brother', 'Antonio'), ('Antonio', 'father', 'Harold')]}, {('Antonio', 'father', 'Harold'): [('Antonio', 'daughter', 'Emma'), ('Emma', 'grandfather', 'Harold')]}]
['brother', 'daughter', 'grandfather', 'son']