[Nancy] bought a gift for her daughter [Lorraine]. [Nancy]'s brother [George] did n't buy anything, though.
('George', 'Lorraine')
[Nancy] bought a gift for her daughter [Lorraine]. [Nancy]'s brother [George] did n't buy anything, though.
[{('George', 'niece', 'Lorraine'): [('George', 'sister', 'Nancy'), ('Nancy', 'daughter', 'Lorraine')]}]
['sister', 'daughter']