story: [Mark] took his son [David] out for ice cream. [Mark]'s son [Michael], was still in school. [David] went to the store with his brother, [Jason]. [Richard] always looked up to his big brother [David] and wanted to be just like him.
query: ('Michael', 'Richard')
clean_story: [Mark] took his son [David] out for ice cream. [Mark]'s son [Michael], was still in school. [Richard] always looked up to his big brother [David] and wanted to be just like him.
proof_state: [{('Michael', 'brother', 'Richard'): [('Michael', 'brother', 'David'), ('David', 'brother', 'Richard')]}, {('Michael', 'brother', 'David'): [('Michael', 'father', 'Mark'), ('Mark', 'son', 'David')]}]