story: [Lisa] loves her brother [Christopher]. [Christopher]'s son, [Jeffrey], was ill and needed to be picked up at school. [Christopher] hurried to his side.
query: ('Lisa', 'Jeffrey')
clean_story: [Lisa] loves her brother [Christopher]. [Christopher]'s son, [Jeffrey], was ill and needed to be picked up at school. [Christopher] hurried to his side.
proof_state: [{('Lisa', 'nephew', 'Jeffrey'): [('Lisa', 'brother', 'Christopher'), ('Christopher', 'son', 'Jeffrey')]}]