story: [Mark], [Carol]'s husband, took his son, [David], to watch a baseball game. [Mark] loved teaching his son, [Richard], baseball. [Peter] was in the backyard throwing the baseball around with his uncle [David].
query: ('Carol', 'Peter')
clean_story: [Mark], [Carol]'s husband, took his son, [David], to watch a baseball game. [Peter] was in the backyard throwing the baseball around with his uncle [David].
proof_state: [{('Carol', 'brother', 'Peter'): [('Carol', 'son', 'David'), ('David', 'uncle', 'Peter')]}, {('Carol', 'son', 'David'): [('Carol', 'husband', 'Mark'), ('Mark', 'son', 'David')]}]