story: [Carolina] enjoyed a homemade dinner with her son [Mario] [Robert] was disappointed that his father, [Paul], would n't be at the play to see him perform. [Katherine] planned a trip to the zoo for her brother, [Mario]. They had a great time. [Robert] took his son [Mario] out for ice cream. [Katherine]'s father [Robert] loves his little princess even though she gets into a lot of trouble at school.
clean_story: [Carolina] enjoyed a homemade dinner with her son [Mario] [Robert] took his son [Mario] out for ice cream. [Robert] was disappointed that his father, [Paul], would n't be at the play to see him perform.
proof_state: [{('Carolina', 'father', 'Paul'): [('Carolina', 'son', 'Mario'), ('Mario', 'grandfather', 'Paul')]}, {('Mario', 'grandfather', 'Paul'): [('Mario', 'father', 'Robert'), ('Robert', 'father', 'Paul')]}]