[Marie] took her nephew, [Kevin], to go feed the ducks at the park. [Tracy] cooked dinner for her son [Kevin] and her father [Harold]. [Lizzie] and her mother [Marie] went to volunteer at the homeless shelter last weekend.
('Harold', 'Lizzie')
[Tracy] cooked dinner for her son [Kevin] and her father [Harold]. [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.
[{('Harold', 'granddaughter', 'Lizzie'): [('Harold', 'daughter', 'Marie'), ('Marie', 'daughter', 'Lizzie')]}, {('Harold', 'daughter', 'Marie'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'sister', 'Marie')]}, {('Tracy', 'sister', 'Marie'): [('Tracy', 'son', 'Kevin'), ('Kevin', 'aunt', 'Marie')]}]
['daughter', 'son', 'aunt', 'daughter']