[Harold] played catch with his son [Louis]. [Harold]'s other son [Antonio] does n't play baseball. [Antonio] and [Robert] are brothers. they like to spend time together [Elsie] took her father [Robert] to watch a movie together.
('Elsie', 'Louis')
[Elsie] took her father [Robert] to watch a movie together. [Antonio] and [Robert] are brothers. they like to spend time together [Harold] played catch with his son [Louis]. [Harold]'s other son [Antonio] does n't play baseball.
[{('Elsie', 'uncle', 'Louis'): [('Elsie', 'father', 'Robert'), ('Robert', 'brother', 'Louis')]}, {('Robert', 'brother', 'Louis'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'brother', 'Louis')]}, {('Antonio', 'brother', 'Louis'): [('Antonio', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}]
['father', 'brother', 'father', 'son']