story: [Brian] tripped his brother [Jaime] in the living room. [Preston] played catch with his son [Mack]. [Preston]'s other son [Brian] does n't play baseball.
query: ('Brian', 'Mack')
clean_story: [Preston] played catch with his son [Mack]. [Preston]'s other son [Brian] does n't play baseball.
proof_state: [{('Brian', 'brother', 'Mack'): [('Brian', 'father', 'Preston'), ('Preston', 'son', 'Mack')]}]