story: [Paul] has two young children, a son named [Fletcher] and a daughter named [Claire]. [Sabrina] and her sister [Claire] braided each other's hair before school.
query: ('Claire', 'Fletcher')
clean_story: [Paul] has two young children, a son named [Fletcher] and a daughter named [Claire].
proof_state: [{('Claire', 'brother', 'Fletcher'): [('Claire', 'father', 'Paul'), ('Paul', 'son', 'Fletcher')]}]