[Nettie]'s father, [Louis], took her to school this morning. [Harold] loved teaching his son, [Louis], baseball. [Marie] took her son [John] to the mall to shop for school clothes. [John]'s grandfather [Harold] is going to [John]'s birthday party.
('Marie', 'Nettie')
[Marie] took her son [John] to the mall to shop for school clothes. [John]'s grandfather [Harold] is going to [John]'s birthday party. [Harold] loved teaching his son, [Louis], baseball. [Nettie]'s father, [Louis], took her to school this morning.
[{('Marie', 'niece', 'Nettie'): [('Marie', 'brother', 'Louis'), ('Louis', 'daughter', 'Nettie')]}, {('Marie', 'brother', 'Louis'): [('Marie', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}, {('Marie', 'father', 'Harold'): [('Marie', 'son', 'John'), ('John', 'grandfather', 'Harold')]}]
['son', 'grandfather', 'son', 'daughter']