story: [Karen] loves her brother [Edward]. [Otto] and his brother [Preston] went to the carnival. [Preston] wanted to ride the Ferris wheel, but [Otto] insisted they go on the bumper cars first. [Karen] was playing tag with her father [Preston].
query: ('Karen', 'Otto')
clean_story: [Karen] was playing tag with her father [Preston]. [Otto] and his brother [Preston] went to the carnival. [Preston] wanted to ride the Ferris wheel, but [Otto] insisted they go on the bumper cars first.
proof_state: [{('Karen', 'uncle', 'Otto'): [('Karen', 'father', 'Preston'), ('Preston', 'brother', 'Otto')]}]