[Louis] went to visit his sister [Marie]. His daughter [Jennifer] stayed home with her mother. [Jennifer] loves her brother [Michael]. [Michael] and his sister [Nicole] were hoping for a snow day.
('Marie', 'Nicole')
[Louis] went to visit his sister [Marie]. His daughter [Jennifer] stayed home with her mother. [Jennifer] loves her brother [Michael]. [Michael] and his sister [Nicole] were hoping for a snow day.
[{('Marie', 'niece', 'Nicole'): [('Marie', 'brother', 'Louis'), ('Louis', 'daughter', 'Nicole')]}, {('Louis', 'daughter', 'Nicole'): [('Louis', 'daughter', 'Jennifer'), ('Jennifer', 'sister', 'Nicole')]}, {('Jennifer', 'sister', 'Nicole'): [('Jennifer', 'brother', 'Michael'), ('Michael', 'sister', 'Nicole')]}]
['brother', 'daughter', 'brother', 'sister']