[John] has a love-hate relation with his father [George]. [George] is a proud husband of one wife [Lillian]
('Lillian', 'John')
[John] has a love-hate relation with his father [George]. [George] is a proud husband of one wife [Lillian]
[{('Lillian', 'son', 'John'): [('Lillian', 'husband', 'George'), ('George', 'son', 'John')]}]
['husband', 'son']