[David] and her husband [Hugh] are planning to go to Hawaii. They're hoping to have a wonderful time there. [Johnson] wanted to buy his mother, [David], a birthday present. But he did n't know what to get her. [Hugh] and his daughter, [Vanetta] go to concerts every week.
('Johnson', 'Vanetta')
[Johnson] wanted to buy his mother, [David], a birthday present. But he did n't know what to get her. [David] and her husband [Hugh] are planning to go to Hawaii. They're hoping to have a wonderful time there. [Hugh] and his daughter, [Vanetta] go to concerts every week.
[{('Johnson', 'sister', 'Vanetta'): [('Johnson', 'mother', 'David'), ('David', 'daughter', 'Vanetta')]}, {('David', 'daughter', 'Vanetta'): [('David', 'husband', 'Hugh'), ('Hugh', 'daughter', 'Vanetta')]}]
['mother', 'husband', 'daughter']