story: [James] played board games with his son [David]. [Minnie] asked [James], her brother, if she could join. [Nancy] was sewing a sweater for her sister [Minnie].
query: ('Minnie', 'David')
clean_story: [James] played board games with his son [David]. [Minnie] asked [James], her brother, if she could join.
proof_state: [{('Minnie', 'nephew', 'David'): [('Minnie', 'brother', 'James'), ('James', 'son', 'David')]}]