[Frances] took her daughter, [Lena], to lunch. [Lena] is very proud of her son. His name is [Chris]. [Wesley] and his son [Chris] went to the store to by bread.
('Wesley', 'Frances')
[Wesley] and his son [Chris] went to the store to by bread. [Lena] is very proud of her son. His name is [Chris]. [Frances] took her daughter, [Lena], to lunch.
[{('Wesley', 'mother', 'Frances'): [('Wesley', 'son', 'Chris'), ('Chris', 'grandmother', 'Frances')]}, {('Chris', 'grandmother', 'Frances'): [('Chris', 'mother', 'Lena'), ('Lena', 'mother', 'Frances')]}]
['son', 'mother', 'mother']