[Nancy] baked a cake for her son [Jacob]. [Nancy] took her daughter [Linda] to the store to find her some new boots for the cold winter weather.
('Linda', 'Jacob')
[Nancy] took her daughter [Linda] to the store to find her some new boots for the cold winter weather. [Nancy] baked a cake for her son [Jacob].
[{('Linda', 'brother', 'Jacob'): [('Linda', 'mother', 'Nancy'), ('Nancy', 'son', 'Jacob')]}]
['mother', 'son']