[Tracy] and her daughter [Bettie] went to the park. [Bettie] did not invite her brother [Bobby] to go to the park. [Tracy] is taking a trip to see her sister [Dorothy]. [Bobby] played catch with his dad, [Antonio]
('Antonio', 'Dorothy')
[Bobby] played catch with his dad, [Antonio] [Tracy] and her daughter [Bettie] went to the park. [Bettie] did not invite her brother [Bobby] to go to the park. [Tracy] is taking a trip to see her sister [Dorothy].
[{('Antonio', 'sister', 'Dorothy'): [('Antonio', 'son', 'Bobby'), ('Bobby', 'aunt', 'Dorothy')]}, {('Bobby', 'aunt', 'Dorothy'): [('Bobby', 'mother', 'Tracy'), ('Tracy', 'sister', 'Dorothy')]}, {('Bobby', 'mother', 'Tracy'): [('Bobby', 'sister', 'Bettie'), ('Bettie', 'mother', 'Tracy')]}]
['son', 'sister', 'mother', 'sister']