story: [James] always go on Saturday to his brother 's house [Christopher]. This Saturday [James] took his son [Vincent] with him.
query: ('Vincent', 'Christopher')
clean_story: [James] always go on Saturday to his brother 's house [Christopher]. This Saturday [James] took his son [Vincent] with him.
proof_state: [{('Vincent', 'uncle', 'Christopher'): [('Vincent', 'father', 'James'), ('James', 'brother', 'Christopher')]}]