story: [Michael] liked to play catch with his daughter [May]. [Paul] asked his father [Michael] if he could have a video game and he said okay. [Reta] went car shopping with her brother [Paul].
query: ('May', 'Reta')
clean_story: [Michael] liked to play catch with his daughter [May]. [Paul] asked his father [Michael] if he could have a video game and he said okay. [Reta] went car shopping with her brother [Paul].
proof_state: [{('May', 'sister', 'Reta'): [('May', 'brother', 'Paul'), ('Paul', 'sister', 'Reta')]}, {('May', 'brother', 'Paul'): [('May', 'father', 'Michael'), ('Michael', 'son', 'Paul')]}]