[David] and her mother [Frances] went to lunch at Olive garden with [David]'s sister [Cindy] and [Cindy]'s daughter [Carrie].
('Frances', 'Carrie')
[David] and her mother [Frances] went to lunch at Olive garden with [David]'s sister [Cindy] and [Cindy]'s daughter [Carrie].
[{('Frances', 'granddaughter', 'Carrie'): [('Frances', 'daughter', 'Cindy'), ('Cindy', 'daughter', 'Carrie')]}, {('Frances', 'daughter', 'Cindy'): [('Frances', 'daughter', 'David'), ('David', 'sister', 'Cindy')]}]
['daughter', 'sister', 'daughter']