[Lois] walked to the park with her son [Arthur]. [Arthur]'s wife [Monet] was at the park waiting for them.
('Monet', 'Lois')
[Lois] walked to the park with her son [Arthur]. [Arthur]'s wife [Monet] was at the park waiting for them.
[{('Monet', 'mother-in-law', 'Lois'): [('Monet', 'husband', 'Arthur'), ('Arthur', 'mother', 'Lois')]}]