[Lena] and her daughter [Tina] are entering the competition together. [Lena] was so proud of her daughter [Pamela] for getting straight A's this semester. [Mildred] called [Tina], her sister, to see if she wanted to go out to eat.
('Pamela', 'Mildred')
[Lena] was so proud of her daughter [Pamela] for getting straight A's this semester. [Lena] and her daughter [Tina] are entering the competition together. [Mildred] called [Tina], her sister, to see if she wanted to go out to eat.
[{('Pamela', 'sister', 'Mildred'): [('Pamela', 'mother', 'Lena'), ('Lena', 'daughter', 'Mildred')]}, {('Lena', 'daughter', 'Mildred'): [('Lena', 'daughter', 'Tina'), ('Tina', 'sister', 'Mildred')]}]
['mother', 'daughter', 'sister']