[Wesley] is going to the arcade with his sister, [Cindy]. [Richard] invited his sister [Natasha] out to watch the meteor shower. [Cindy] gave her son, [Richard], blankets for them to sit on and snacks to eat while they watched the meteors.
('Wesley', 'Natasha')
[Wesley] is going to the arcade with his sister, [Cindy]. [Richard] invited his sister [Natasha] out to watch the meteor shower. [Cindy] gave her son, [Richard], blankets for them to sit on and snacks to eat while they watched the meteors.
[{('Wesley', 'niece', 'Natasha'): [('Wesley', 'sister', 'Cindy'), ('Cindy', 'daughter', 'Natasha')]}, {('Cindy', 'daughter', 'Natasha'): [('Cindy', 'son', 'Richard'), ('Richard', 'sister', 'Natasha')]}]
['sister', 'son', 'sister']