[James] took his daughter [David] to school on Monday, then took his wife [Frances] out for breakfast. [David]'s son, [Bobby], went with her to the store to buy candy for Halloween.
('Frances', 'Bobby')
[James] took his daughter [David] to school on Monday, then took his wife [Frances] out for breakfast. [David]'s son, [Bobby], went with her to the store to buy candy for Halloween.
[{('Frances', 'grandson', 'Bobby'): [('Frances', 'daughter', 'David'), ('David', 'son', 'Bobby')]}, {('Frances', 'daughter', 'David'): [('Frances', 'husband', 'James'), ('James', 'daughter', 'David')]}]
['husband', 'daughter', 'son']