story: [Casey]'s sister, [Jennifer], participated in the dance contest. [James] and [Lisa] are reminiscent of their own childhood while watching [Casey] jump about and play. [Sandra] sits with her children and also is reminded of a time long ago when [James] was no bigger than [Casey] is now.
query: ('Casey', 'Sandra')
clean_story: [James] and [Lisa] are reminiscent of their own childhood while watching [Casey] jump about and play. [Sandra] sits with her children and also is reminded of a time long ago when [James] was no bigger than [Casey] is now.
proof_state: [{('Casey', 'grandmother', 'Sandra'): [('Casey', 'father', 'James'), ('James', 'mother', 'Sandra')]}, {('James', 'mother', 'Sandra'): [('James', 'sister', 'Lisa'), ('Lisa', 'mother', 'Sandra')]}]