[Tracy] took her son [Bobby] to school this morning because he missed the bus. [Marie] noticed her daughter [Elsie] was n't feeling well. [Elsie]'s sister, [Michelle], went to get medicine. [Bobby] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Marie] while they were there.
('Tracy', 'Michelle')
[Tracy] took her son [Bobby] to school this morning because he missed the bus. [Bobby] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Marie] while they were there. [Marie] noticed her daughter [Elsie] was n't feeling well. [Elsie]'s sister, [Michelle], went to get medicine.
[{('Tracy', 'niece', 'Michelle'): [('Tracy', 'sister', 'Marie'), ('Marie', 'daughter', 'Michelle')]}, {('Tracy', 'sister', 'Marie'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'aunt', 'Marie')]}, {('Marie', 'daughter', 'Michelle'): [('Marie', 'daughter', 'Elsie'), ('Elsie', 'sister', 'Michelle')]}]
['son', 'aunt', 'daughter', 'sister']