[Jennifer] took her mother, [Beverly], out for lunch. [Samuel] has been married to [Nicole] for ten years today. [Nicole] does n't like having to babysit her younger brother, [Michael]. [Michael] was having an argument with her sister, [Jennifer].
('Samuel', 'Beverly')
[Samuel] has been married to [Nicole] for ten years today. [Nicole] does n't like having to babysit her younger brother, [Michael]. [Michael] was having an argument with her sister, [Jennifer]. [Jennifer] took her mother, [Beverly], out for lunch.
[{('Samuel', 'mother-in-law', 'Beverly'): [('Samuel', 'wife', 'Nicole'), ('Nicole', 'mother', 'Beverly')]}, {('Nicole', 'mother', 'Beverly'): [('Nicole', 'sister', 'Jennifer'), ('Jennifer', 'mother', 'Beverly')]}, {('Nicole', 'sister', 'Jennifer'): [('Nicole', 'brother', 'Michael'), ('Michael', 'sister', 'Jennifer')]}]
['wife', 'brother', 'sister', 'mother']