[Lillian] was trying to get the attention of her husband [George]. [George] was busy talking to his son [Douglas] and did n't hear her, however.
('Lillian', 'Douglas')
[Lillian] was trying to get the attention of her husband [George]. [George] was busy talking to his son [Douglas] and did n't hear her, however.
[{('Lillian', 'son', 'Douglas'): [('Lillian', 'husband', 'George'), ('George', 'son', 'Douglas')]}]
['husband', 'son']