[Vanetta] likes to stay with her grandfather [James] during the summer because he has a pool in his back yard. [Johnson] wanted to go to the park with his sister [Marie]. [Marie] said she'd rather go swimming with her sister [Vanetta] instead.
('Johnson', 'James')
[Johnson] wanted to go to the park with his sister [Marie]. [Marie] said she'd rather go swimming with her sister [Vanetta] instead. [Vanetta] likes to stay with her grandfather [James] during the summer because he has a pool in his back yard.
[{('Johnson', 'grandfather', 'James'): [('Johnson', 'sister', 'Marie'), ('Marie', 'grandfather', 'James')]}, {('Marie', 'grandfather', 'James'): [('Marie', 'sister', 'Vanetta'), ('Vanetta', 'grandfather', 'James')]}]
['sister', 'sister', 'grandfather']