[George]'s sister [Theresa] asked him for some help planting her garden. [Theresa] took her son [Nicolas] to the park.
('Nicolas', 'George')
[Theresa] took her son [Nicolas] to the park. [George]'s sister [Theresa] asked him for some help planting her garden.
[{('Nicolas', 'uncle', 'George'): [('Nicolas', 'mother', 'Theresa'), ('Theresa', 'brother', 'George')]}]
['mother', 'brother']