story: [Sandra] took her son [Mark] to the mall to shop for school clothes. [Rose] and her mother [Sandra] went dress shopping on Saturday. [Mark] has a brother named [James] and a sister named [Lisa].
query: ('Sandra', 'Lisa')
clean_story: [Sandra] took her son [Mark] to the mall to shop for school clothes. [Mark] has a brother named [James] and a sister named [Lisa].
proof_state: [{('Sandra', 'daughter', 'Lisa'): [('Sandra', 'son', 'James'), ('James', 'sister', 'Lisa')]}, {('Sandra', 'son', 'James'): [('Sandra', 'son', 'Mark'), ('Mark', 'brother', 'James')]}]