[Marie] and her mother, [Shantel], took her brother [Pedro] to the train station. [Pedro] was traveling across country to see his son [Roberto]. [Dorothy] asked her son [Roberto] to help her fix her television.
('Dorothy', 'Shantel')
[Dorothy] asked her son [Roberto] to help her fix her television. [Marie] and her mother, [Shantel], took her brother [Pedro] to the train station. [Pedro] was traveling across country to see his son [Roberto].
[{('Dorothy', 'mother', 'Shantel'): [('Dorothy', 'sister', 'Marie'), ('Marie', 'mother', 'Shantel')]}, {('Dorothy', 'sister', 'Marie'): [('Dorothy', 'son', 'Roberto'), ('Roberto', 'aunt', 'Marie')]}, {('Roberto', 'aunt', 'Marie'): [('Roberto', 'father', 'Pedro'), ('Pedro', 'sister', 'Marie')]}]
['son', 'father', 'sister', 'mother']