[Lynn] took her nephew, [Charles], to go feed the ducks at the park. [Wesley], [Lena]'s husband, took his son, [Charles], to watch a baseball game.
('Lena', 'Lynn')
[Wesley], [Lena]'s husband, took his son, [Charles], to watch a baseball game. [Lynn] took her nephew, [Charles], to go feed the ducks at the park.
[{('Lena', 'sister', 'Lynn'): [('Lena', 'son', 'Charles'), ('Charles', 'aunt', 'Lynn')]}, {('Lena', 'son', 'Charles'): [('Lena', 'husband', 'Wesley'), ('Wesley', 'son', 'Charles')]}]
['husband', 'son', 'aunt']