[Hugh] took his nephew [Chris] to the park to play with his friends. [Hugh] wanted to get a good gift for his sister, [Lynn] [Lena]'s daughter Paula went to law school. Paula's brother [Chris] ended up working in a fast food restaurant.
('Lena', 'Lynn')
[Lena]'s daughter Paula went to law school. Paula's brother [Chris] ended up working in a fast food restaurant. [Hugh] took his nephew [Chris] to the park to play with his friends. [Hugh] wanted to get a good gift for his sister, [Lynn]
[{('Lena', 'sister', 'Lynn'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'sister', 'Lynn')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'son', 'Chris'), ('Chris', 'uncle', 'Hugh')]}]
['son', 'uncle', 'sister']