[James] asked his son [Hugh] if he had heard anything from his brother [Wesley]. He said that [Wesley] was very proud because his son [Chris] was finally potty trained.
('James', 'Chris')
[James] asked his son [Hugh] if he had heard anything from his brother [Wesley]. He said that [Wesley] was very proud because his son [Chris] was finally potty trained.
[{('James', 'grandson', 'Chris'): [('James', 'son', 'Wesley'), ('Wesley', 'son', 'Chris')]}, {('James', 'son', 'Wesley'): [('James', 'son', 'Hugh'), ('Hugh', 'brother', 'Wesley')]}]
['son', 'brother', 'son']