[Wesley] took his daughter [Martha] out for lunch. [Martha]'s grandmother [Frances] joined them at the restaurant. [David] and her mother [Frances] went to volunteer at the homeless shelter last weekend.
('Wesley', 'David')
[Wesley] took his daughter [Martha] out for lunch. [Martha]'s grandmother [Frances] joined them at the restaurant. [David] and her mother [Frances] went to volunteer at the homeless shelter last weekend.
[{('Wesley', 'sister', 'David'): [('Wesley', 'mother', 'Frances'), ('Frances', 'daughter', 'David')]}, {('Wesley', 'mother', 'Frances'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'grandmother', 'Frances')]}]
['daughter', 'grandmother', 'daughter']