[Wayne]'s grandfather [James] is going to [Wayne]'s birthday party. [Natasha] kept picking on her sister [Wilhelmina]. [Wilhelmina] was so upset, she asked her brother [Wayne] for some help.
('Natasha', 'James')
[Natasha] kept picking on her sister [Wilhelmina]. [Wilhelmina] was so upset, she asked her brother [Wayne] for some help. [Wayne]'s grandfather [James] is going to [Wayne]'s birthday party.
[{('Natasha', 'grandfather', 'James'): [('Natasha', 'sister', 'Wilhelmina'), ('Wilhelmina', 'grandfather', 'James')]}, {('Wilhelmina', 'grandfather', 'James'): [('Wilhelmina', 'brother', 'Wayne'), ('Wayne', 'grandfather', 'James')]}]
['sister', 'brother', 'grandfather']