[Bernardo] is always excited when his Uncle [Robert] visits him. [Pedro] and his brother [Robert] were wrestling. [Cheryl], [Pedro]'s daughter, was cheering on the competition. [Tracy] took her son [Bernardo] to the park for the afternoon.
('Tracy', 'Cheryl')
[Tracy] took her son [Bernardo] to the park for the afternoon. [Bernardo] is always excited when his Uncle [Robert] visits him. [Pedro] and his brother [Robert] were wrestling. [Cheryl], [Pedro]'s daughter, was cheering on the competition.
[{('Tracy', 'niece', 'Cheryl'): [('Tracy', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'son', 'Bernardo'), ('Bernardo', 'uncle', 'Robert')]}]
['son', 'uncle', 'brother', 'daughter']