[Bettie] was n't sure what to buy her brother [Aaron] for his birthday. She decided to ask her mother, [Tracy], for some advice. [Tracy] took her son [Bernardo] to the animal shelter to adopt a cat. [Bernardo]'s grandmother, [Shantel], was invited but could not make it because she had the flu.
('Aaron', 'Shantel')
[Bettie] was n't sure what to buy her brother [Aaron] for his birthday. She decided to ask her mother, [Tracy], for some advice. [Tracy] took her son [Bernardo] to the animal shelter to adopt a cat. [Bernardo]'s grandmother, [Shantel], was invited but could not make it because she had the flu.
[{('Aaron', 'grandmother', 'Shantel'): [('Aaron', 'sister', 'Bettie'), ('Bettie', 'grandmother', 'Shantel')]}, {('Bettie', 'grandmother', 'Shantel'): [('Bettie', 'mother', 'Tracy'), ('Tracy', 'mother', 'Shantel')]}, {('Tracy', 'mother', 'Shantel'): [('Tracy', 'son', 'Bernardo'), ('Bernardo', 'grandmother', 'Shantel')]}]
['sister', 'mother', 'son', 'grandmother']