story: [Jason] watched his son [James] play catch. [James] tossed the ball back and fourth with his brother [Dwight].
query: ('Jason', 'Dwight')
clean_story: [Jason] watched his son [James] play catch. [James] tossed the ball back and fourth with his brother [Dwight].
proof_state: [{('Jason', 'son', 'Dwight'): [('Jason', 'son', 'James'), ('James', 'brother', 'Dwight')]}]