story: [Myrna] and her husband [Christopher] took her son [Jeffrey] to the store to pick out some sweets after dinner.
query: ('Christopher', 'Jeffrey')
clean_story: [Myrna] and her husband [Christopher] took her son [Jeffrey] to the store to pick out some sweets after dinner.
proof_state: [{('Christopher', 'son', 'Jeffrey'): [('Christopher', 'wife', 'Myrna'), ('Myrna', 'son', 'Jeffrey')]}]