[Theresa] took her son [Tony] to the park in the afternoon. [Tony] spent the day looking forward to having dinner with his wife [Rosetta].
('Theresa', 'Rosetta')
[Theresa] took her son [Tony] to the park in the afternoon. [Tony] spent the day looking forward to having dinner with his wife [Rosetta].
[{('Theresa', 'daughter-in-law', 'Rosetta'): [('Theresa', 'son', 'Tony'), ('Tony', 'wife', 'Rosetta')]}]
['son', 'wife']