[Hugh] went to the Friday night baseball game with his son, [Michael]. [David], [Hugh]'s wife, met them there after she was finished at work. [Vanetta] and her sister [Michael] went to the ice cream shop.
('David', 'Vanetta')
[Hugh] went to the Friday night baseball game with his son, [Michael]. [David], [Hugh]'s wife, met them there after she was finished at work. [Vanetta] and her sister [Michael] went to the ice cream shop.
[{('David', 'daughter', 'Vanetta'): [('David', 'son', 'Michael'), ('Michael', 'sister', 'Vanetta')]}, {('David', 'son', 'Michael'): [('David', 'husband', 'Hugh'), ('Hugh', 'son', 'Michael')]}]
['husband', 'son', 'sister']