story: [Cecilia] bought a plant for her dad, [Paul]. [Denver] took his son [Ryan] out for pizza. [Ryan] would n't let his son [Pedro] go to the park by himself. [Pedro]'s brother [Denver] offered to go with him. [Cecilia] loved her nephew, [Denver].
clean_story: [Denver] took his son [Ryan] out for pizza. [Cecilia] loved her nephew, [Denver]. [Cecilia] bought a plant for her dad, [Paul].
proof_state: [{('Ryan', 'father', 'Paul'): [('Ryan', 'sister', 'Cecilia'), ('Cecilia', 'father', 'Paul')]}, {('Ryan', 'sister', 'Cecilia'): [('Ryan', 'son', 'Denver'), ('Denver', 'aunt', 'Cecilia')]}]