[Robert] and his brother [Louis] wanted to backpack across Europe together once they graduated college. [Harold] was talking to his son, [Antonio], about the game. [Antonio]'s son, [Kevin], overheard them, and asked them who had won. They did n't know, but [Louis], [Harold]'s other son, came in and told them the score.
('Robert', 'Kevin')
[Robert] and his brother [Louis] wanted to backpack across Europe together once they graduated college. [Harold] was talking to his son, [Antonio], about the game. [Antonio]'s son, [Kevin], overheard them, and asked them who had won. They did n't know, but [Louis], [Harold]'s other son, came in and told them the score.
[{('Robert', 'nephew', 'Kevin'): [('Robert', 'brother', 'Antonio'), ('Antonio', 'son', 'Kevin')]}, {('Robert', 'brother', 'Antonio'): [('Robert', 'brother', 'Louis'), ('Louis', 'brother', 'Antonio')]}, {('Louis', 'brother', 'Antonio'): [('Louis', 'father', 'Harold'), ('Harold', 'son', 'Antonio')]}]
['brother', 'father', 'son', 'son']