story: [Maria] and her mother [Nancy] went dress shopping on Saturday. [Nancy] was sewing a sweater for her sister [Crystal]. [Nancy]'s son called [Jess] is good and intelligent boy
query: ('Crystal', 'Maria')
clean_story: [Nancy] was sewing a sweater for her sister [Crystal]. [Maria] and her mother [Nancy] went dress shopping on Saturday.
proof_state: [{('Crystal', 'niece', 'Maria'): [('Crystal', 'sister', 'Nancy'), ('Nancy', 'daughter', 'Maria')]}]