story: [Lisbeth] surprised her husband, [Alfred], with tickets to see his favorite band. [Lisbeth] baked a cake for her son [Willie]. [James] loves his mother very much. Her name is [Sandra]. [Lisbeth] and her mother [Sandra] went to volunteer at the homeless shelter last weekend.
query: ('James', 'Willie')
clean_story: [James] loves his mother very much. Her name is [Sandra]. [Lisbeth] and her mother [Sandra] went to volunteer at the homeless shelter last weekend. [Lisbeth] baked a cake for her son [Willie].
proof_state: [{('James', 'nephew', 'Willie'): [('James', 'sister', 'Lisbeth'), ('Lisbeth', 'son', 'Willie')]}, {('James', 'sister', 'Lisbeth'): [('James', 'mother', 'Sandra'), ('Sandra', 'daughter', 'Lisbeth')]}]