[Dale] and his sister [Nancy] are decorating for a party. [Nancy]'s daughter [Louise] thinks the party will be fun.
('Dale', 'Louise')
[Dale] and his sister [Nancy] are decorating for a party. [Nancy]'s daughter [Louise] thinks the party will be fun.
[{('Dale', 'niece', 'Louise'): [('Dale', 'sister', 'Nancy'), ('Nancy', 'daughter', 'Louise')]}]
['sister', 'daughter']