[Bobby] bought a new refrigerator for his mother [Tracy]. [Bernardo] is love by his father [Antonio]. [Bobby] loves his brother [Bernardo]. [Tracy] read her son [Aaron] a bedtime story every night.
('Antonio', 'Aaron')
[Bernardo] is love by his father [Antonio]. [Bobby] loves his brother [Bernardo]. [Bobby] bought a new refrigerator for his mother [Tracy]. [Tracy] read her son [Aaron] a bedtime story every night.
[{('Antonio', 'son', 'Aaron'): [('Antonio', 'son', 'Bobby'), ('Bobby', 'brother', 'Aaron')]}, {('Bobby', 'brother', 'Aaron'): [('Bobby', 'mother', 'Tracy'), ('Tracy', 'son', 'Aaron')]}, {('Antonio', 'son', 'Bobby'): [('Antonio', 'son', 'Bernardo'), ('Bernardo', 'brother', 'Bobby')]}]
['son', 'brother', 'mother', 'son']