story: [Dwight]'s father, [Jason], bought him some ice cream. [Dwight] read a bedtime story to his daughter [Donna].
query: ('Donna', 'Jason')
clean_story: [Dwight] read a bedtime story to his daughter [Donna]. [Dwight]'s father, [Jason], bought him some ice cream.
proof_state: [{('Donna', 'grandfather', 'Jason'): [('Donna', 'father', 'Dwight'), ('Dwight', 'father', 'Jason')]}]