[Frances] took her granddaughter [Martha] on a long walk during the pretty spring day. [Martha] and her mother [Lena] went dress shopping on Saturday. [Frances] and her daughter [David] are entering the competition together.
('Lena', 'David')
[Martha] and her mother [Lena] went dress shopping on Saturday. [Frances] took her granddaughter [Martha] on a long walk during the pretty spring day. [Frances] and her daughter [David] are entering the competition together.
[{('Lena', 'sister', 'David'): [('Lena', 'mother', 'Frances'), ('Frances', 'daughter', 'David')]}, {('Lena', 'mother', 'Frances'): [('Lena', 'daughter', 'Martha'), ('Martha', 'grandmother', 'Frances')]}]
['daughter', 'grandmother', 'daughter']