story: [Jason]'s son [Christopher] entered rehab for the ninth time at the age of thirty. [Dorothy] is a sister of [Christopher].
query: ('Jason', 'Dorothy')
clean_story: [Jason]'s son [Christopher] entered rehab for the ninth time at the age of thirty. [Dorothy] is a sister of [Christopher].
proof_state: [{('Jason', 'daughter', 'Dorothy'): [('Jason', 'son', 'Christopher'), ('Christopher', 'sister', 'Dorothy')]}]