story: [Rose] and her sister [Lisbeth] went shopping at the mall. [Rose]'s daughter [Jennifer] stayed home to study. [Rose] took her son, [Errol], to go get baked goods from the local bakery. [Mark] liked to play games with his sister, [Lisbeth].
query: ('Mark', 'Jennifer')
clean_story: [Mark] liked to play games with his sister, [Lisbeth]. [Rose] and her sister [Lisbeth] went shopping at the mall. [Rose]'s daughter [Jennifer] stayed home to study.
proof_state: [{('Mark', 'niece', 'Jennifer'): [('Mark', 'sister', 'Rose'), ('Rose', 'daughter', 'Jennifer')]}, {('Mark', 'sister', 'Rose'): [('Mark', 'sister', 'Lisbeth'), ('Lisbeth', 'sister', 'Rose')]}]