[Antonio] was delighted to watch his son [Kevin] steal third base in the Championship baseball game. [Robert] and his brother, [Louis], went out to dinner. [Robert] talked about his daughter, [Elsie],'s play at school. [Elsie] has a wonderful relationship with her uncle [Antonio].
('Louis', 'Kevin')
[Robert] and his brother, [Louis], went out to dinner. [Robert] talked about his daughter, [Elsie],'s play at school. [Elsie] has a wonderful relationship with her uncle [Antonio]. [Antonio] was delighted to watch his son [Kevin] steal third base in the Championship baseball game.
[{('Louis', 'nephew', 'Kevin'): [('Louis', 'brother', 'Antonio'), ('Antonio', 'son', 'Kevin')]}, {('Louis', 'brother', 'Antonio'): [('Louis', 'brother', 'Robert'), ('Robert', 'brother', 'Antonio')]}, {('Robert', 'brother', 'Antonio'): [('Robert', 'daughter', 'Elsie'), ('Elsie', 'uncle', 'Antonio')]}]
['brother', 'daughter', 'uncle', 'son']