story: [Alfred] wanted to go to the park with his sister [Lisa]. [Lisa] said she'd rather go swimming with her sister [Carol] instead. [Alfred] enjoys talking to his sister. Her name is [Rose]. [Carol] took her son, [Jason], to the movie theater for his birthday.
query: ('Alfred', 'Jason')
clean_story: [Alfred] wanted to go to the park with his sister [Lisa]. [Lisa] said she'd rather go swimming with her sister [Carol] instead. [Carol] took her son, [Jason], to the movie theater for his birthday.
proof_state: [{('Alfred', 'nephew', 'Jason'): [('Alfred', 'sister', 'Carol'), ('Carol', 'son', 'Jason')]}, {('Alfred', 'sister', 'Carol'): [('Alfred', 'sister', 'Lisa'), ('Lisa', 'sister', 'Carol')]}]