[Wesley] took his sister [Cindy] out to dinner for her birthday. [Hugh] is going to the arcade with his sister, [Cindy]. [Hugh] asked his son, [James], to help paint his house.
('James', 'Wesley')
[Hugh] asked his son, [James], to help paint his house. [Hugh] is going to the arcade with his sister, [Cindy]. [Wesley] took his sister [Cindy] out to dinner for her birthday.
[{('James', 'son', 'Wesley'): [('James', 'son', 'Hugh'), ('Hugh', 'brother', 'Wesley')]}, {('Hugh', 'brother', 'Wesley'): [('Hugh', 'sister', 'Cindy'), ('Cindy', 'brother', 'Wesley')]}]
['son', 'sister', 'brother']