story: [Minnie] visited her son [William] at college. [William] hated [Otto], so [William] ran away from home. [William] figured [Otto] did n't like being hid dad anyhow. [William] went fishing with his uncle [Preston].
query: ('Minnie', 'Preston')
clean_story: [Minnie] visited her son [William] at college. [William] went fishing with his uncle [Preston].
proof_state: [{('Minnie', 'brother', 'Preston'): [('Minnie', 'son', 'William'), ('William', 'uncle', 'Preston')]}]