[Michael] took his grandmother [Frances] to the dog track. [Hugh] took his daughter [Vanetta] to softball practie. [Hugh] and his son [Michael] went to the store to by bread.
('Vanetta', 'Frances')
[Hugh] took his daughter [Vanetta] to softball practie. [Hugh] and his son [Michael] went to the store to by bread. [Michael] took his grandmother [Frances] to the dog track.
[{('Vanetta', 'grandmother', 'Frances'): [('Vanetta', 'father', 'Hugh'), ('Hugh', 'mother', 'Frances')]}, {('Hugh', 'mother', 'Frances'): [('Hugh', 'son', 'Michael'), ('Michael', 'grandmother', 'Frances')]}]
['father', 'son', 'grandmother']