[Nicolas]'s aunt, [Amy], was ten minutes late to his baseball game. [Nicolas] loves to play baseball with his dad, [Dale].
('Dale', 'Amy')
[Nicolas] loves to play baseball with his dad, [Dale]. [Nicolas]'s aunt, [Amy], was ten minutes late to his baseball game.
[{('Dale', 'sister', 'Amy'): [('Dale', 'son', 'Nicolas'), ('Nicolas', 'aunt', 'Amy')]}]
['son', 'aunt']