[Frances]'s daughter, [Lynn], just graduated high school. [Frances] brought her daughter [David] a cake. [David]'s daughter [Marie] wanted to eat the cake.
('Marie', 'Lynn')
[Frances] brought her daughter [David] a cake. [David]'s daughter [Marie] wanted to eat the cake. [Frances]'s daughter, [Lynn], just graduated high school.
[{('Marie', 'aunt', 'Lynn'): [('Marie', 'mother', 'David'), ('David', 'sister', 'Lynn')]}, {('David', 'sister', 'Lynn'): [('David', 'mother', 'Frances'), ('Frances', 'daughter', 'Lynn')]}]
['mother', 'mother', 'daughter']