[Hugh] and his daughter, [Vanetta] go to concerts every week. [James] enjoys watching movies with his son's daughter. Her name is [Vanetta]. [Michael] and his father [Hugh] played video games all day last Saturday.
('Michael', 'James')
[Michael] and his father [Hugh] played video games all day last Saturday. [Hugh] and his daughter, [Vanetta] go to concerts every week. [James] enjoys watching movies with his son's daughter. Her name is [Vanetta].
[{('Michael', 'grandfather', 'James'): [('Michael', 'sister', 'Vanetta'), ('Vanetta', 'grandfather', 'James')]}, {('Michael', 'sister', 'Vanetta'): [('Michael', 'father', 'Hugh'), ('Hugh', 'daughter', 'Vanetta')]}]
['father', 'daughter', 'grandfather']