[Dale] spent the day with his sister, [Amy], and his daughter [Belva].
('Amy', 'Belva')
[Dale] spent the day with his sister, [Amy], and his daughter [Belva].
[{('Amy', 'niece', 'Belva'): [('Amy', 'brother', 'Dale'), ('Dale', 'daughter', 'Belva')]}]
['brother', 'daughter']