Joe asked [Antonio] if his uncle [Wayne] had any experience with cars. [Antonio] asked his father, [Harold], to help him with his math homework. [Harold] could n't, because he was lousy at math himself. [Louis] does not know he has a son named [Wayne]. [Robert] played catch with his dad, [Harold]
('Louis', 'Robert')
[Louis] does not know he has a son named [Wayne]. Joe asked [Antonio] if his uncle [Wayne] had any experience with cars. [Antonio] asked his father, [Harold], to help him with his math homework. [Harold] could n't, because he was lousy at math himself. [Robert] played catch with his dad, [Harold]
[{('Louis', 'brother', 'Robert'): [('Louis', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}, {('Louis', 'brother', 'Antonio'): [('Louis', 'son', 'Wayne'), ('Wayne', 'uncle', 'Antonio')]}, {('Antonio', 'brother', 'Robert'): [('Antonio', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}]
['son', 'uncle', 'father', 'son']