story: [Edward] hit his brother [Jaime] in the head. [Melissa] bought a new video game for her son [Edward]. [Edward] liked to talk about his sister, [Stacy].
query: ('Jaime', 'Stacy')
clean_story: [Edward] hit his brother [Jaime] in the head. [Edward] liked to talk about his sister, [Stacy].
proof_state: [{('Jaime', 'sister', 'Stacy'): [('Jaime', 'brother', 'Edward'), ('Edward', 'sister', 'Stacy')]}]