Once [Amy] went inside her home safely, her brother [Wayne] took his daughter [Louise] to preschool.
('Amy', 'Louise')
Once [Amy] went inside her home safely, her brother [Wayne] took his daughter [Louise] to preschool.
[{('Amy', 'niece', 'Louise'): [('Amy', 'brother', 'Wayne'), ('Wayne', 'daughter', 'Louise')]}]
['brother', 'daughter']