story: [Stanley]'s son, [Michael], had been misbehaving, so [Stanley] had to spank him. [Michael] and his sister [Sandra] went out for coffee. [Sandra] asked her brother [Elliott] if he wanted them to bring him anything back, but he said no.
query: ('Stanley', 'Elliott')
clean_story: [Stanley]'s son, [Michael], had been misbehaving, so [Stanley] had to spank him. [Michael] and his sister [Sandra] went out for coffee. [Sandra] asked her brother [Elliott] if he wanted them to bring him anything back, but he said no.
proof_state: [{('Stanley', 'son', 'Elliott'): [('Stanley', 'son', 'Michael'), ('Michael', 'brother', 'Elliott')]}, {('Michael', 'brother', 'Elliott'): [('Michael', 'sister', 'Sandra'), ('Sandra', 'brother', 'Elliott')]}]