[Charles] and her wife [Tina] took a flight to Hawaii to visit [Charles]'s sister [Pamela], while their father [Wesley] is in town.
('Tina', 'Wesley')
[Charles] and her wife [Tina] took a flight to Hawaii to visit [Charles]'s sister [Pamela], while their father [Wesley] is in town.
[{('Tina', 'father-in-law', 'Wesley'): [('Tina', 'husband', 'Charles'), ('Charles', 'father', 'Wesley')]}, {('Charles', 'father', 'Wesley'): [('Charles', 'sister', 'Pamela'), ('Pamela', 'father', 'Wesley')]}]
['husband', 'sister', 'father']