[Lena] was playing tag with her father [James]. [Lena] took her daughter, [Pamela], to lunch. [Mildred] is taking a trip to see her sister [Pamela].
('Mildred', 'James')
[Mildred] is taking a trip to see her sister [Pamela]. [Lena] took her daughter, [Pamela], to lunch. [Lena] was playing tag with her father [James].
[{('Mildred', 'grandfather', 'James'): [('Mildred', 'mother', 'Lena'), ('Lena', 'father', 'James')]}, {('Mildred', 'mother', 'Lena'): [('Mildred', 'sister', 'Pamela'), ('Pamela', 'mother', 'Lena')]}]
['sister', 'mother', 'father']