[Dale] went to pick up his son [Tony] from the baseball practice. [Tony] woke up and said hello to his wife, [Rosetta].
('Dale', 'Rosetta')
[Dale] went to pick up his son [Tony] from the baseball practice. [Tony] woke up and said hello to his wife, [Rosetta].
[{('Dale', 'daughter-in-law', 'Rosetta'): [('Dale', 'son', 'Tony'), ('Tony', 'wife', 'Rosetta')]}]
['son', 'wife']