[Lena] loved to play dress-up with her daughter [Pamela]. [Lena] could n't wait to get off the plane to see her mother, [Martha]. [Frances] loves her granddaughter [Martha]. She thinks she's the sweetest child in the world.
('Frances', 'Pamela')
[Frances] loves her granddaughter [Martha]. She thinks she's the sweetest child in the world. [Lena] could n't wait to get off the plane to see her mother, [Martha]. [Lena] loved to play dress-up with her daughter [Pamela].
[{('Frances', 'granddaughter', 'Pamela'): [('Frances', 'granddaughter', 'Martha'), ('Martha', 'sister', 'Pamela')]}, {('Martha', 'sister', 'Pamela'): [('Martha', 'mother', 'Lena'), ('Lena', 'daughter', 'Pamela')]}]
['granddaughter', 'mother', 'daughter']