[Tracy] took her son [Aaron] to the football game. [Beverly] ca n't wait to go to Australia with her nephew [Aaron]. [Tracy] was sewing a sweater for her sister [Dorothy]. [James] took his mother [Dorothy] a new pot for her flowers.
('James', 'Beverly')
[James] took his mother [Dorothy] a new pot for her flowers. [Tracy] was sewing a sweater for her sister [Dorothy]. [Tracy] took her son [Aaron] to the football game. [Beverly] ca n't wait to go to Australia with her nephew [Aaron].
[{('James', 'aunt', 'Beverly'): [('James', 'mother', 'Dorothy'), ('Dorothy', 'sister', 'Beverly')]}, {('Dorothy', 'sister', 'Beverly'): [('Dorothy', 'sister', 'Tracy'), ('Tracy', 'sister', 'Beverly')]}, {('Tracy', 'sister', 'Beverly'): [('Tracy', 'son', 'Aaron'), ('Aaron', 'aunt', 'Beverly')]}]
['mother', 'sister', 'son', 'aunt']