[Robert] is picking up his niece [Karen] from school today because her parents are both working. [Samuel] took his mother, [Beverly], and his sister, [Jennifer], to the store. [Beverly]'s daughter, [Karen], just graduated high school.
('Jennifer', 'Robert')
[Samuel] took his mother, [Beverly], and his sister, [Jennifer], to the store. [Beverly]'s daughter, [Karen], just graduated high school. [Robert] is picking up his niece [Karen] from school today because her parents are both working.
[{('Jennifer', 'uncle', 'Robert'): [('Jennifer', 'mother', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Jennifer', 'mother', 'Beverly'): [('Jennifer', 'brother', 'Samuel'), ('Samuel', 'mother', 'Beverly')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'daughter', 'Karen'), ('Karen', 'uncle', 'Robert')]}]
['brother', 'mother', 'daughter', 'uncle']