story: [Rudolph] is an engineer who loves to take his son [Peter] to the science museum to help him learn about the world [Lisa] told her daughter [Yvonne] to wash up. Dinner was ready. [Lisa] has a son named [Erik]. [Peter] just got married to [Lisa]. He's very happy with his new wife.
query: ('Rudolph', 'Erik')
clean_story: [Rudolph] is an engineer who loves to take his son [Peter] to the science museum to help him learn about the world [Peter] just got married to [Lisa]. He's very happy with his new wife. [Lisa] has a son named [Erik].
proof_state: [{('Rudolph', 'grandson', 'Erik'): [('Rudolph', 'son', 'Peter'), ('Peter', 'son', 'Erik')]}, {('Peter', 'son', 'Erik'): [('Peter', 'wife', 'Lisa'), ('Lisa', 'son', 'Erik')]}]