story: [Michael] and his brother [Jason] went to the carnival. [Jason] wanted to ride the Ferris wheel, but [Michael] insisted they go on the bumper cars first. [Peter] and his sister [Carol] went to the ice skating rink. [Peter] fell down and [Carol] laughed at him. [Carol] baked a cake for her son [Jason]. [Mark] bought a book for his son [Jason].
query: ('Peter', 'Michael')
clean_story: [Peter] and his sister [Carol] went to the ice skating rink. [Peter] fell down and [Carol] laughed at him. [Carol] baked a cake for her son [Jason]. [Michael] and his brother [Jason] went to the carnival. [Jason] wanted to ride the Ferris wheel, but [Michael] insisted they go on the bumper cars first.
proof_state: [{('Peter', 'nephew', 'Michael'): [('Peter', 'sister', 'Carol'), ('Carol', 'son', 'Michael')]}, {('Carol', 'son', 'Michael'): [('Carol', 'son', 'Jason'), ('Jason', 'brother', 'Michael')]}]