[Michael] and his wife, [Gloria], prepared dinner for [Michael]'s sister [Vanetta]. Although [Vanetta]'s father [Hugh] would have preferred to eat out at a restaurant.
('Gloria', 'Hugh')
[Michael] and his wife, [Gloria], prepared dinner for [Michael]'s sister [Vanetta]. Although [Vanetta]'s father [Hugh] would have preferred to eat out at a restaurant.
[{('Gloria', 'father-in-law', 'Hugh'): [('Gloria', 'husband', 'Michael'), ('Michael', 'father', 'Hugh')]}, {('Michael', 'father', 'Hugh'): [('Michael', 'sister', 'Vanetta'), ('Vanetta', 'father', 'Hugh')]}]
['husband', 'sister', 'father']