[Shantel] invited her son [Robert] to dinner, but not his wife [Marie]. [Pedro] and his nephew [Ronald] went hunting together last weekend. [Marie]'s daughter Paula went to law school. Paula's brother [Ronald] ended up working in a fast food restaurant.
('Shantel', 'Pedro')
[Shantel] invited her son [Robert] to dinner, but not his wife [Marie]. [Marie]'s daughter Paula went to law school. Paula's brother [Ronald] ended up working in a fast food restaurant. [Pedro] and his nephew [Ronald] went hunting together last weekend.
[{('Shantel', 'son', 'Pedro'): [('Shantel', 'son', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'son', 'Ronald'), ('Ronald', 'uncle', 'Pedro')]}, {('Robert', 'son', 'Ronald'): [('Robert', 'wife', 'Marie'), ('Marie', 'son', 'Ronald')]}]
['son', 'wife', 'son', 'uncle']