story: [Michelle] looked all over the house for her son [James], but could n't find him. That's because [James] was outside in the back yard, playing baseball with his brother [Paul]. [James] took his son [Bernard] to school this morning because he missed the bus.
query: ('Paul', 'Michelle')
clean_story: [Michelle] looked all over the house for her son [James], but could n't find him. That's because [James] was outside in the back yard, playing baseball with his brother [Paul].
proof_state: [{('Paul', 'mother', 'Michelle'): [('Paul', 'brother', 'James'), ('James', 'mother', 'Michelle')]}]