story: [Guillermina] wanted to visit her grandfather [Jason], but she had to help her sister [Angela] with chores.
query: ('Angela', 'Jason')
clean_story: [Guillermina] wanted to visit her grandfather [Jason], but she had to help her sister [Angela] with chores.
proof_state: [{('Angela', 'grandfather', 'Jason'): [('Angela', 'sister', 'Guillermina'), ('Guillermina', 'grandfather', 'Jason')]}]