[Robert] often goes out for lunch with his sister, [Tracy]. [Robert] was thrilled to take his nephew, [Bobby], out to play for the day. [Antonio]'s son, [Bobby], had been misbehaving, so [Antonio] had to spank him. [Tracy] is always around her brother [Pedro].
('Antonio', 'Pedro')
[Antonio]'s son, [Bobby], had been misbehaving, so [Antonio] had to spank him. [Robert] was thrilled to take his nephew, [Bobby], out to play for the day. [Robert] often goes out for lunch with his sister, [Tracy]. [Tracy] is always around her brother [Pedro].
[{('Antonio', 'brother', 'Pedro'): [('Antonio', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'sister', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Antonio', 'brother', 'Robert'): [('Antonio', 'son', 'Bobby'), ('Bobby', 'uncle', 'Robert')]}]
['son', 'uncle', 'sister', 'brother']