[James] was so proud that his son [Wesley] won the science fair! [Wesley] made a sandwich for his son [Chris]. [Chris]'s brother [Charles] ate an apple instead.
('James', 'Charles')
[James] was so proud that his son [Wesley] won the science fair! [Wesley] made a sandwich for his son [Chris]. [Chris]'s brother [Charles] ate an apple instead.
[{('James', 'grandson', 'Charles'): [('James', 'grandson', 'Chris'), ('Chris', 'brother', 'Charles')]}, {('James', 'grandson', 'Chris'): [('James', 'son', 'Wesley'), ('Wesley', 'son', 'Chris')]}]
['son', 'son', 'brother']