[Chris] loved his mother, [Lena]. [Hugh] took his daughter, [Gloria], to the father daughter dance at church. [Hugh] took his nephew [Chris] to the park to teach him how to ride a bike.
('Lena', 'Gloria')
[Chris] loved his mother, [Lena]. [Hugh] took his nephew [Chris] to the park to teach him how to ride a bike. [Hugh] took his daughter, [Gloria], to the father daughter dance at church.
[{('Lena', 'niece', 'Gloria'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'daughter', 'Gloria')]}, {('Lena', 'brother', 'Hugh'): [('Lena', 'son', 'Chris'), ('Chris', 'uncle', 'Hugh')]}]
['son', 'uncle', 'daughter']