story: [James] took his son [Casey] to school this morning because he missed the bus. [Carol] was furious with [James], her brother, since he cancelled the family trip. [Carol]'s Mom, [Sandra], was heartbroken the trip would n't take place. [Lisa] took her younger sister [Carol] to the carnival last weekend.
query: ('Sandra', 'Casey')
clean_story: [Carol] was furious with [James], her brother, since he cancelled the family trip. [Carol]'s Mom, [Sandra], was heartbroken the trip would n't take place. [James] took his son [Casey] to school this morning because he missed the bus.
proof_state: [{('Sandra', 'grandson', 'Casey'): [('Sandra', 'son', 'James'), ('James', 'son', 'Casey')]}, {('Sandra', 'son', 'James'): [('Sandra', 'daughter', 'Carol'), ('Carol', 'brother', 'James')]}]