story: [Rose]'s son, [Casey], recently started a pawn shop. [James] likes to take his daughter [Jennifer] fishing. [James] received a present from his mother [Sandra]. He did n't want it, though, so he decided to give it to his son [Casey].
query: ('Rose', 'Sandra')
clean_story: [Rose]'s son, [Casey], recently started a pawn shop. [James] received a present from his mother [Sandra]. He did n't want it, though, so he decided to give it to his son [Casey].
proof_state: [{('Rose', 'mother', 'Sandra'): [('Rose', 'son', 'Casey'), ('Casey', 'grandmother', 'Sandra')]}, {('Casey', 'grandmother', 'Sandra'): [('Casey', 'father', 'James'), ('James', 'mother', 'Sandra')]}]