story: [Sandra] takes her son [Mark] to the park every Saturday. [James] and his brother [Peter] are looking for a good gift for [Peter]'s mother [Sandra]. [James] went to pick up his daughter [Jennifer] from school on the last day before summer vacation.
query: ('Sandra', 'Jennifer')
clean_story: [James] and his brother [Peter] are looking for a good gift for [Peter]'s mother [Sandra]. [James] went to pick up his daughter [Jennifer] from school on the last day before summer vacation.
proof_state: [{('Sandra', 'granddaughter', 'Jennifer'): [('Sandra', 'son', 'James'), ('James', 'daughter', 'Jennifer')]}, {('Sandra', 'son', 'James'): [('Sandra', 'son', 'Peter'), ('Peter', 'brother', 'James')]}]