[Lena] had a heart-to-heart conversation with her daughter [Mildred] about some things. [Frances] offered to take her grandson [Charles] to the park but [Charles] wanted to stay home and play cards with his sister [Mildred] instead.
('Lena', 'Frances')
[Lena] had a heart-to-heart conversation with her daughter [Mildred] about some things. [Frances] offered to take her grandson [Charles] to the park but [Charles] wanted to stay home and play cards with his sister [Mildred] instead.
[{('Lena', 'mother', 'Frances'): [('Lena', 'daughter', 'Mildred'), ('Mildred', 'grandmother', 'Frances')]}, {('Mildred', 'grandmother', 'Frances'): [('Mildred', 'brother', 'Charles'), ('Charles', 'grandmother', 'Frances')]}]
['daughter', 'brother', 'grandmother']