[Gloria] went to the park to feed birds with her grandfather [James]. [Marie] called [Evangeline], her sister, to see if she wanted to go out to eat. [Gloria] took her sister [Marie] out for dinner to celebrate her birthday.
('Evangeline', 'James')
[Marie] called [Evangeline], her sister, to see if she wanted to go out to eat. [Gloria] took her sister [Marie] out for dinner to celebrate her birthday. [Gloria] went to the park to feed birds with her grandfather [James].
[{('Evangeline', 'grandfather', 'James'): [('Evangeline', 'sister', 'Marie'), ('Marie', 'grandfather', 'James')]}, {('Marie', 'grandfather', 'James'): [('Marie', 'sister', 'Gloria'), ('Gloria', 'grandfather', 'James')]}]
['sister', 'sister', 'grandfather']