story: [Richard] loves his grandmother [Sandra] because she has lots of toys at her house for him to play with. [Anna] and her mother [Carol] went to volunteer at the homeless shelter last weekend. [Carol] likes baking brownies for her son [Jason]. [Carol]'s son [Richard] ca n't have any because he is dieting.
query: ('Sandra', 'Jason')
clean_story: [Richard] loves his grandmother [Sandra] because she has lots of toys at her house for him to play with. [Carol] likes baking brownies for her son [Jason]. [Carol]'s son [Richard] ca n't have any because he is dieting.
proof_state: [{('Sandra', 'grandson', 'Jason'): [('Sandra', 'grandson', 'Richard'), ('Richard', 'brother', 'Jason')]}, {('Richard', 'brother', 'Jason'): [('Richard', 'mother', 'Carol'), ('Carol', 'son', 'Jason')]}]