[Dorothy] went to pick up her son, [Jeffrey], and her daughter, [Heather], from soccer practice. [Heather] gave her grandfather, [Harold], a hug when she saw him. [Dorothy] loved to care for her newborn child [Jeffrey].
('Dorothy', 'Harold')
[Dorothy] loved to care for her newborn child [Jeffrey]. [Dorothy] went to pick up her son, [Jeffrey], and her daughter, [Heather], from soccer practice. [Heather] gave her grandfather, [Harold], a hug when she saw him.
[{('Dorothy', 'father', 'Harold'): [('Dorothy', 'son', 'Jeffrey'), ('Jeffrey', 'grandfather', 'Harold')]}, {('Jeffrey', 'grandfather', 'Harold'): [('Jeffrey', 'sister', 'Heather'), ('Heather', 'grandfather', 'Harold')]}, {('Jeffrey', 'sister', 'Heather'): [('Jeffrey', 'mother', 'Dorothy'), ('Dorothy', 'daughter', 'Heather')]}]
['son', 'mother', 'daughter', 'grandfather']