[Louise] was sewing a sweater for her sister [Lorraine]. [Nancy] took her daughter [Louise] to school during the cold winter morning.
('Lorraine', 'Nancy')
[Louise] was sewing a sweater for her sister [Lorraine]. [Nancy] took her daughter [Louise] to school during the cold winter morning.
[{('Lorraine', 'mother', 'Nancy'): [('Lorraine', 'sister', 'Louise'), ('Louise', 'mother', 'Nancy')]}]
['sister', 'mother']