story: [Alma]'s daughter Paula went to law school. Paula's brother [Robert] ended up working in a fast food restaurant. [James]'s sister, [Alma], bought movie tickets at a discount rate.
query: ('James', 'Robert')
clean_story: [James]'s sister, [Alma], bought movie tickets at a discount rate. [Alma]'s daughter Paula went to law school. Paula's brother [Robert] ended up working in a fast food restaurant.
proof_state: [{('James', 'nephew', 'Robert'): [('James', 'sister', 'Alma'), ('Alma', 'son', 'Robert')]}]