[James] 'son [Wesley] could not believe that his father bought him a coffee machine for his birthday. [Wesley] bought a dress for his daughter [Martha]. [Hugh] took his niece [Martha] fishing Saturday. They caught a couple small fish.
('James', 'Hugh')
[James] 'son [Wesley] could not believe that his father bought him a coffee machine for his birthday. [Wesley] bought a dress for his daughter [Martha]. [Hugh] took his niece [Martha] fishing Saturday. They caught a couple small fish.
[{('James', 'son', 'Hugh'): [('James', 'son', 'Wesley'), ('Wesley', 'brother', 'Hugh')]}, {('Wesley', 'brother', 'Hugh'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'uncle', 'Hugh')]}]
['son', 'daughter', 'uncle']