[Dale]'s wife, [Theresa], arranged for him to have a great lunch with his mother, [Ashley].
('Ashley', 'Theresa')
[Dale]'s wife, [Theresa], arranged for him to have a great lunch with his mother, [Ashley].
[{('Ashley', 'daughter-in-law', 'Theresa'): [('Ashley', 'son', 'Dale'), ('Dale', 'wife', 'Theresa')]}]
['son', 'wife']