[Mary] baked a cake for her son [Herman]. [Mary] loves her husband very much. His name is [Roy].
('Roy', 'Herman')
[Mary] loves her husband very much. His name is [Roy]. [Mary] baked a cake for her son [Herman].
[{('Roy', 'son', 'Herman'): [('Roy', 'wife', 'Mary'), ('Mary', 'son', 'Herman')]}]