[Lorraine]'s husband [Robert] got into an argument with his mother [Nancy] again. It always makes her uncomfortable.
('Lorraine', 'Nancy')
[Lorraine]'s husband [Robert] got into an argument with his mother [Nancy] again. It always makes her uncomfortable.
[{('Lorraine', 'mother-in-law', 'Nancy'): [('Lorraine', 'husband', 'Robert'), ('Robert', 'mother', 'Nancy')]}]
['husband', 'mother']