[Wesley] took his son [Charles] out for ice cream. [Wesley]'s son [Chris], was still in school. [Lena]'s daughter Paula went to law school. Paula's brother [Chris] ended up working in a fast food restaurant.
('Lena', 'Charles')
[Lena]'s daughter Paula went to law school. Paula's brother [Chris] ended up working in a fast food restaurant. [Wesley] took his son [Charles] out for ice cream. [Wesley]'s son [Chris], was still in school.
[{('Lena', 'son', 'Charles'): [('Lena', 'son', 'Chris'), ('Chris', 'brother', 'Charles')]}, {('Chris', 'brother', 'Charles'): [('Chris', 'father', 'Wesley'), ('Wesley', 'son', 'Charles')]}]
['son', 'father', 'son']