[Shantel] was playing games with her son [Robert]. [Robert]'s sister [Dorothy] did n't want to join them. [Dorothy] was playing in the sandbox with her brother [Louis]. [Tracy] loved her mother [Shantel]. She was heartbroken when she heard [Shantel] had suddenly passed away.
('Tracy', 'Louis')
[Tracy] loved her mother [Shantel]. She was heartbroken when she heard [Shantel] had suddenly passed away. [Shantel] was playing games with her son [Robert]. [Robert]'s sister [Dorothy] did n't want to join them. [Dorothy] was playing in the sandbox with her brother [Louis].
[{('Tracy', 'brother', 'Louis'): [('Tracy', 'sister', 'Dorothy'), ('Dorothy', 'brother', 'Louis')]}, {('Tracy', 'sister', 'Dorothy'): [('Tracy', 'brother', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'mother', 'Shantel'), ('Shantel', 'son', 'Robert')]}]
['mother', 'son', 'sister', 'brother']