[Wesley]'s sister [Cindy] asked him for some help planting her garden. [Hugh] took his sisters [Cindy] and [Lynn] on a hiking trip last weekend.
('Lynn', 'Wesley')
[Hugh] took his sisters [Cindy] and [Lynn] on a hiking trip last weekend. [Wesley]'s sister [Cindy] asked him for some help planting her garden.
[{('Lynn', 'brother', 'Wesley'): [('Lynn', 'sister', 'Cindy'), ('Cindy', 'brother', 'Wesley')]}, {('Lynn', 'sister', 'Cindy'): [('Lynn', 'brother', 'Hugh'), ('Hugh', 'sister', 'Cindy')]}]
['brother', 'sister', 'brother']