[Samuel]'s aunt, [Tracy], was ten minutes late to his baseball game. [Louis] is taking his son [Samuel] out for coffee. [Shantel] is taking he son [Robert] and her daughter [Tracy] to the park.
('Louis', 'Robert')
[Louis] is taking his son [Samuel] out for coffee. [Samuel]'s aunt, [Tracy], was ten minutes late to his baseball game. [Shantel] is taking he son [Robert] and her daughter [Tracy] to the park.
[{('Louis', 'brother', 'Robert'): [('Louis', 'sister', 'Tracy'), ('Tracy', 'brother', 'Robert')]}, {('Louis', 'sister', 'Tracy'): [('Louis', 'son', 'Samuel'), ('Samuel', 'aunt', 'Tracy')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'mother', 'Shantel'), ('Shantel', 'son', 'Robert')]}]
['son', 'aunt', 'mother', 'son']