[Jennifer] went on a vacation with her brother [Samuel]. [Beverly] took her son [Samuel] to the grocery store while her daughter [Nettie] cooked dinner. [Samuel]'s sister, [Jennifer], asked him to pick up a box of cereal at the grocery store.
('Nettie', 'Samuel')
[Beverly] took her son [Samuel] to the grocery store while her daughter [Nettie] cooked dinner. [Samuel]'s sister, [Jennifer], asked him to pick up a box of cereal at the grocery store. [Jennifer] went on a vacation with her brother [Samuel].
[{('Nettie', 'brother', 'Samuel'): [('Nettie', 'sister', 'Jennifer'), ('Jennifer', 'brother', 'Samuel')]}, {('Nettie', 'sister', 'Jennifer'): [('Nettie', 'mother', 'Beverly'), ('Beverly', 'daughter', 'Jennifer')]}, {('Beverly', 'daughter', 'Jennifer'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'sister', 'Jennifer')]}]
['mother', 'son', 'sister', 'brother']