story: [Michael] invited his daughter [Annette] to dinner. [Annette]'s husband [Donald] joined her.
query: ('Donald', 'Michael')
clean_story: [Michael] invited his daughter [Annette] to dinner. [Annette]'s husband [Donald] joined her.
proof_state: [{('Donald', 'father-in-law', 'Michael'): [('Donald', 'wife', 'Annette'), ('Annette', 'father', 'Michael')]}]