story: [Mary] took her younger sister [Amanda] to the carnival last weekend. [James] has two young children, a son named [Bernard] and a daughter named [Amanda].
query: ('Amanda', 'Bernard')
clean_story: [James] has two young children, a son named [Bernard] and a daughter named [Amanda].
proof_state: [{('Amanda', 'brother', 'Bernard'): [('Amanda', 'father', 'James'), ('James', 'son', 'Bernard')]}]