[Tracy] is taking he son [Bernardo] and her daughter [Bettie] to the park. [Bernardo] was playing golf with his uncle [Pedro]. [Bobby] has a sister that picks on him. Her name is [Bettie].
('Bobby', 'Pedro')
[Bobby] has a sister that picks on him. Her name is [Bettie]. [Tracy] is taking he son [Bernardo] and her daughter [Bettie] to the park. [Bernardo] was playing golf with his uncle [Pedro].
[{('Bobby', 'uncle', 'Pedro'): [('Bobby', 'mother', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'son', 'Bernardo'), ('Bernardo', 'uncle', 'Pedro')]}, {('Bobby', 'mother', 'Tracy'): [('Bobby', 'sister', 'Bettie'), ('Bettie', 'mother', 'Tracy')]}]
['sister', 'mother', 'son', 'uncle']