story: [James] 'son [Edward] could not believe that his father bought him a coffee machine for his birthday. [Rose] spent the afternoon at the movies with her father, [Rudolph] and her daughter, [Diana]. [James] took her daughter [Diana] for ice cream.
query: ('James', 'Rudolph')
clean_story: [James] took her daughter [Diana] for ice cream. [Rose] spent the afternoon at the movies with her father, [Rudolph] and her daughter, [Diana].
proof_state: [{('James', 'father', 'Rudolph'): [('James', 'daughter', 'Diana'), ('Diana', 'grandfather', 'Rudolph')]}, {('Diana', 'grandfather', 'Rudolph'): [('Diana', 'mother', 'Rose'), ('Rose', 'father', 'Rudolph')]}]