[David] and her husband [Hugh] were attending their son [Bobby]'s soccer game. [David] spotted [Bobby]'s grandfather, [James], in the crowd and invited him to have ice cream with them after the game.
('David', 'James')
[David] and her husband [Hugh] were attending their son [Bobby]'s soccer game. [David] spotted [Bobby]'s grandfather, [James], in the crowd and invited him to have ice cream with them after the game.
[{('David', 'father', 'James'): [('David', 'son', 'Bobby'), ('Bobby', 'grandfather', 'James')]}, {('David', 'son', 'Bobby'): [('David', 'husband', 'Hugh'), ('Hugh', 'son', 'Bobby')]}]
['husband', 'son', 'grandfather']