[Aaron] gave his mother [Tracy] flowers on her birthday. [Tracy] bought a gift for her son [Aaron]. She also bought one for her husband [Antonio]. [Pedro] is one of [Tracy]'s brothers. They have lots of fun together.
('Antonio', 'Pedro')
[Tracy] bought a gift for her son [Aaron]. She also bought one for her husband [Antonio]. [Aaron] gave his mother [Tracy] flowers on her birthday. [Pedro] is one of [Tracy]'s brothers. They have lots of fun together.
[{('Antonio', 'brother', 'Pedro'): [('Antonio', 'son', 'Aaron'), ('Aaron', 'uncle', 'Pedro')]}, {('Aaron', 'uncle', 'Pedro'): [('Aaron', 'mother', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Antonio', 'son', 'Aaron'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Aaron')]}]
['wife', 'son', 'mother', 'brother']