story: [Francisco] always enjoyed playing with his sister, [Louise], when they were growing up. [Victoria] always loved when her grandmother [Sandra] visited, because she always got presents. [Lisbeth] took her son [Francisco] to the grocery store. [Lisbeth]'s daughter [Victoria] stayed home instead.
query: ('Francisco', 'Sandra')
clean_story: [Lisbeth] took her son [Francisco] to the grocery store. [Lisbeth]'s daughter [Victoria] stayed home instead. [Victoria] always loved when her grandmother [Sandra] visited, because she always got presents.
proof_state: [{('Francisco', 'grandmother', 'Sandra'): [('Francisco', 'sister', 'Victoria'), ('Victoria', 'grandmother', 'Sandra')]}, {('Francisco', 'sister', 'Victoria'): [('Francisco', 'mother', 'Lisbeth'), ('Lisbeth', 'daughter', 'Victoria')]}]