[George] and his sister [Nancy] made a card for [Nancy]'s mother [Ashley].
('Ashley', 'George')
[George] and his sister [Nancy] made a card for [Nancy]'s mother [Ashley].
[{('Ashley', 'son', 'George'): [('Ashley', 'daughter', 'Nancy'), ('Nancy', 'brother', 'George')]}]
['daughter', 'brother']