story: [May]'s father, [Michael], told her to be quiet. She was a little hurt, but she obeyed. [Paul] is in the same grade as his sister [Reta], but his sister [May] is 2 years ahead of him.
query: ('Reta', 'Michael')
clean_story: [Paul] is in the same grade as his sister [Reta], but his sister [May] is 2 years ahead of him. [May]'s father, [Michael], told her to be quiet. She was a little hurt, but she obeyed.
proof_state: [{('Reta', 'father', 'Michael'): [('Reta', 'sister', 'May'), ('May', 'father', 'Michael')]}, {('Reta', 'sister', 'May'): [('Reta', 'brother', 'Paul'), ('Paul', 'sister', 'May')]}]