story: [Lisbeth] took her son [Willie] to the mall to shop for school clothes. [Sandra]'s daughter, [Lisa], asked her mom to read her a story. [Sandra] visited her son [James] at college. [Sandra] went to visit her grandson [Willie] at his college dorm.
query: ('Lisbeth', 'Lisa')
clean_story: [Lisbeth] took her son [Willie] to the mall to shop for school clothes. [Sandra] went to visit her grandson [Willie] at his college dorm. [Sandra]'s daughter, [Lisa], asked her mom to read her a story.
proof_state: [{('Lisbeth', 'sister', 'Lisa'): [('Lisbeth', 'mother', 'Sandra'), ('Sandra', 'daughter', 'Lisa')]}, {('Lisbeth', 'mother', 'Sandra'): [('Lisbeth', 'son', 'Willie'), ('Willie', 'grandmother', 'Sandra')]}]