story: [Alan] and her brother [Michael] were playing in the park. [Michael] saw his sister [Sandra] getting ice cream and wanted some too. [Sandra] went shopping at the mall with her mother [Molly]
query: ('Alan', 'Molly')
clean_story: [Alan] and her brother [Michael] were playing in the park. [Michael] saw his sister [Sandra] getting ice cream and wanted some too. [Sandra] went shopping at the mall with her mother [Molly]
proof_state: [{('Alan', 'mother', 'Molly'): [('Alan', 'sister', 'Sandra'), ('Sandra', 'mother', 'Molly')]}, {('Alan', 'sister', 'Sandra'): [('Alan', 'brother', 'Michael'), ('Michael', 'sister', 'Sandra')]}]