[Lois] took her son, [Arthur], to the movie theater for his birthday. [Arthur] liked to visit his uncle [John]. They played ball together a lot.
('Lois', 'John')
[Lois] took her son, [Arthur], to the movie theater for his birthday. [Arthur] liked to visit his uncle [John]. They played ball together a lot.
[{('Lois', 'brother', 'John'): [('Lois', 'son', 'Arthur'), ('Arthur', 'uncle', 'John')]}]