[James] is [Bobby]'s grandfather. [Bobby] likes to go fishing with his grandfather. [Hugh] and his wife [David] made chili. [David]'s son [Bobby] loves their chili.
('Hugh', 'James')
[Hugh] and his wife [David] made chili. [David]'s son [Bobby] loves their chili. [James] is [Bobby]'s grandfather. [Bobby] likes to go fishing with his grandfather.
[{('Hugh', 'father', 'James'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'grandfather', 'James')]}, {('Hugh', 'son', 'Bobby'): [('Hugh', 'wife', 'David'), ('David', 'son', 'Bobby')]}]
['wife', 'son', 'grandfather']