[Theresa] took her son [Tony] to the mall to shop for school clothes. [Tony] and his sister [June] went to the ice skating rink. [Tony] fell down and [June] laughed at him.
('Theresa', 'June')
[Theresa] took her son [Tony] to the mall to shop for school clothes. [Tony] and his sister [June] went to the ice skating rink. [Tony] fell down and [June] laughed at him.
[{('Theresa', 'daughter', 'June'): [('Theresa', 'son', 'Tony'), ('Tony', 'sister', 'June')]}]
['son', 'sister']