[Johnson]'s sister, [Vanetta], bought movie tickets at a discount rate. [James] surprised her wife [Frances] with tickets to a baseball game. [Frances] decided to take her grandson, [Johnson], to the game.
('James', 'Vanetta')
[James] surprised her wife [Frances] with tickets to a baseball game. [Frances] decided to take her grandson, [Johnson], to the game. [Johnson]'s sister, [Vanetta], bought movie tickets at a discount rate.
[{('James', 'granddaughter', 'Vanetta'): [('James', 'grandson', 'Johnson'), ('Johnson', 'sister', 'Vanetta')]}, {('James', 'grandson', 'Johnson'): [('James', 'wife', 'Frances'), ('Frances', 'grandson', 'Johnson')]}]
['wife', 'grandson', 'sister']