story: [Otto]'s son, [Dana], had been misbehaving, so [Otto] had to spank him. [Rebbeca] went with her father [Otto] and her grandfather [Adam] to the park to fly some kites.
query: ('Otto', 'Adam')
clean_story: [Rebbeca] went with her father [Otto] and her grandfather [Adam] to the park to fly some kites.
proof_state: [{('Otto', 'father', 'Adam'): [('Otto', 'daughter', 'Rebbeca'), ('Rebbeca', 'grandfather', 'Adam')]}]