[George] is so proud of his son. [John] is the son's name. [Lillian] and her husband [George] watched the fireworks by the lake last night.
('Lillian', 'John')
[Lillian] and her husband [George] watched the fireworks by the lake last night. [George] is so proud of his son. [John] is the son's name.
[{('Lillian', 'son', 'John'): [('Lillian', 'husband', 'George'), ('George', 'son', 'John')]}]
['husband', 'son']