[James] went shopping with his wife, [June], for a present. His mom, [Theresa], had a birthday coming up.
('June', 'Theresa')
[James] went shopping with his wife, [June], for a present. His mom, [Theresa], had a birthday coming up.
[{('June', 'mother-in-law', 'Theresa'): [('June', 'husband', 'James'), ('James', 'mother', 'Theresa')]}]
['husband', 'mother']