[Lena] took her daughter, [Mildred], to lunch. [Lena] and her daughter [Pamela] went out to dinner. [Frances] took her granddaughter [Mildred] out for dinner. They had fried chicken, which was [Mildred]'s favorite.
('Frances', 'Pamela')
[Frances] took her granddaughter [Mildred] out for dinner. They had fried chicken, which was [Mildred]'s favorite. [Lena] took her daughter, [Mildred], to lunch. [Lena] and her daughter [Pamela] went out to dinner.
[{('Frances', 'granddaughter', 'Pamela'): [('Frances', 'granddaughter', 'Mildred'), ('Mildred', 'sister', 'Pamela')]}, {('Mildred', 'sister', 'Pamela'): [('Mildred', 'mother', 'Lena'), ('Lena', 'daughter', 'Pamela')]}]
['granddaughter', 'mother', 'daughter']