story: [Rudolph] 'son [Alfred] could not believe that his father bought him a coffee machine for his birthday. [Diana]'s mom, [Rose], has recently taken art classes. [Rose] asked her father [Rudolph] if she could spend the night at her friend's house. [Rudolph] is helping his son study. His name is [Peter].
query: ('Diana', 'Peter')
clean_story: [Diana]'s mom, [Rose], has recently taken art classes. [Rose] asked her father [Rudolph] if she could spend the night at her friend's house. [Rudolph] is helping his son study. His name is [Peter].
proof_state: [{('Diana', 'uncle', 'Peter'): [('Diana', 'mother', 'Rose'), ('Rose', 'brother', 'Peter')]}, {('Rose', 'brother', 'Peter'): [('Rose', 'father', 'Rudolph'), ('Rudolph', 'son', 'Peter')]}]