story: [Dwight] has two siblings. His brother [Michael] and sister [Dorothy]
query: ('Michael', 'Dorothy')
clean_story: [Dwight] has two siblings. His brother [Michael] and sister [Dorothy]
proof_state: [{('Michael', 'sister', 'Dorothy'): [('Michael', 'brother', 'Dwight'), ('Dwight', 'sister', 'Dorothy')]}]