[David]'s son, [Johnson], recently started a pawn shop. [Wesley] and his sister [David] went to the park. [Wesley] took his brother [Joshua] to get lunch at a local diner.
('Joshua', 'Johnson')
[Wesley] took his brother [Joshua] to get lunch at a local diner. [Wesley] and his sister [David] went to the park. [David]'s son, [Johnson], recently started a pawn shop.
[{('Joshua', 'nephew', 'Johnson'): [('Joshua', 'sister', 'David'), ('David', 'son', 'Johnson')]}, {('Joshua', 'sister', 'David'): [('Joshua', 'brother', 'Wesley'), ('Wesley', 'sister', 'David')]}]
['brother', 'sister', 'son']