[Mary] loves to make cookies for her son. His name is [John]. [Mary] fixed her husband [Roy] a special dinner yesterday because it was his birthday.
('Roy', 'John')
[Mary] fixed her husband [Roy] a special dinner yesterday because it was his birthday. [Mary] loves to make cookies for her son. His name is [John].
[{('Roy', 'son', 'John'): [('Roy', 'wife', 'Mary'), ('Mary', 'son', 'John')]}]