[James] was so proud of his daughter, [David], for graduating college as an older woman. [Bobby], [David]'s daughter, was also proud. [Hugh] took his son [Bobby] for boxing lessons. He felt the boy needed to toughen up.
('Hugh', 'James')
[Hugh] took his son [Bobby] for boxing lessons. He felt the boy needed to toughen up. [James] was so proud of his daughter, [David], for graduating college as an older woman. [Bobby], [David]'s daughter, was also proud.
[{('Hugh', 'father', 'James'): [('Hugh', 'son', 'Bobby'), ('Bobby', 'grandfather', 'James')]}, {('Bobby', 'grandfather', 'James'): [('Bobby', 'mother', 'David'), ('David', 'father', 'James')]}]
['son', 'mother', 'father']