[Frances] asked her husband, [James], to help her son, [Wesley] with his homework. [Wesley] decided to take his son, [Irvin], on a ski vacation.
('James', 'Irvin')
[Frances] asked her husband, [James], to help her son, [Wesley] with his homework. [Wesley] decided to take his son, [Irvin], on a ski vacation.
[{('James', 'grandson', 'Irvin'): [('James', 'son', 'Wesley'), ('Wesley', 'son', 'Irvin')]}, {('James', 'son', 'Wesley'): [('James', 'wife', 'Frances'), ('Frances', 'son', 'Wesley')]}]
['wife', 'son', 'son']