story: [Sheila] is a sister of [Scott]. [Dwight] took his son [Scott] to school this morning because he missed the bus.
query: ('Dwight', 'Sheila')
clean_story: [Dwight] took his son [Scott] to school this morning because he missed the bus. [Sheila] is a sister of [Scott].
proof_state: [{('Dwight', 'daughter', 'Sheila'): [('Dwight', 'son', 'Scott'), ('Scott', 'sister', 'Sheila')]}]