[Charles] played soccer with his brother [Chris] all day. [Chris] was glad to get some time away from his annoying sister, [Martha]. [James] hired his daughter to work in the shop with him. His daughter brings her son [Charles] with her to visit occasionally.
('James', 'Martha')
[James] hired his daughter to work in the shop with him. His daughter brings her son [Charles] with her to visit occasionally. [Charles] played soccer with his brother [Chris] all day. [Chris] was glad to get some time away from his annoying sister, [Martha].
[{('James', 'granddaughter', 'Martha'): [('James', 'grandson', 'Charles'), ('Charles', 'sister', 'Martha')]}, {('Charles', 'sister', 'Martha'): [('Charles', 'brother', 'Chris'), ('Chris', 'sister', 'Martha')]}]
['grandson', 'brother', 'sister']