[Mary] and her son, [Herman], decorated mugs at the craft fair together. [Roy] was going to meet his wife, [Mary], for lunch.
('Roy', 'Herman')
[Roy] was going to meet his wife, [Mary], for lunch. [Mary] and her son, [Herman], decorated mugs at the craft fair together.
[{('Roy', 'son', 'Herman'): [('Roy', 'wife', 'Mary'), ('Mary', 'son', 'Herman')]}]