[Tony] ate dinner with his wife [Rosetta]. [Rosetta] went shopping at the mall with her mother [Theresa]
('Tony', 'Theresa')
[Tony] ate dinner with his wife [Rosetta]. [Rosetta] went shopping at the mall with her mother [Theresa]
[{('Tony', 'mother-in-law', 'Theresa'): [('Tony', 'wife', 'Rosetta'), ('Rosetta', 'mother', 'Theresa')]}]
['wife', 'mother']