[Wayne] was delighted to watch his son [Jeff] steal third base in the Championship baseball game. [Nicholas] bought ice cream for [Jeff]'s birthday.
('Wayne', 'Nicholas')
[Wayne] was delighted to watch his son [Jeff] steal third base in the Championship baseball game. [Nicholas] bought ice cream for [Jeff]'s birthday.
[{('Wayne', 'brother', 'Nicholas'): [('Wayne', 'son', 'Jeff'), ('Jeff', 'uncle', 'Nicholas')]}]
['son', 'uncle']