[Tracy] took her son [Kevin] to the mall to shop for school clothes. [Antonio] took his wife [Tracy] out on a date last weekend. [Marie] took her nephew, [Kevin], to go feed the ducks at the park. [Lizzie] and her mother [Marie] went to volunteer at the homeless shelter last weekend.
('Antonio', 'Lizzie')
[Antonio] took his wife [Tracy] out on a date last weekend. [Tracy] took her son [Kevin] to the mall to shop for school clothes. [Marie] took her nephew, [Kevin], to go feed the ducks at the park. [Lizzie] and her mother [Marie] went to volunteer at the homeless shelter last weekend.
[{('Antonio', 'niece', 'Lizzie'): [('Antonio', 'sister', 'Marie'), ('Marie', 'daughter', 'Lizzie')]}, {('Antonio', 'sister', 'Marie'): [('Antonio', 'son', 'Kevin'), ('Kevin', 'aunt', 'Marie')]}, {('Antonio', 'son', 'Kevin'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Kevin')]}]
['wife', 'son', 'aunt', 'daughter']