[Bobby] wanted to play at the park so his mother got her sister, [Dorothy], to take him. [Antonio] and [Tracy] picked up [Aaron] from school and met his brother, [Bobby], for dinner and a movie.
('Antonio', 'Dorothy')
[Antonio] and [Tracy] picked up [Aaron] from school and met his brother, [Bobby], for dinner and a movie. [Bobby] wanted to play at the park so his mother got her sister, [Dorothy], to take him.
[{('Antonio', 'sister', 'Dorothy'): [('Antonio', 'son', 'Bobby'), ('Bobby', 'aunt', 'Dorothy')]}, {('Antonio', 'son', 'Bobby'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Bobby')]}, {('Tracy', 'son', 'Bobby'): [('Tracy', 'son', 'Aaron'), ('Aaron', 'brother', 'Bobby')]}]
['wife', 'son', 'brother', 'aunt']