story: [Rudolph] and his son [Peter] went to the park to look for different kinds of birds. [Peter] likes to go fishing with his sister. Her name is [Rose]. [Johnny] and his father [Alfred] went to town for some supplies. While in town they ran into [Alfred]'s brother, [Peter].
query: ('Johnny', 'Rudolph')
clean_story: [Johnny] and his father [Alfred] went to town for some supplies. While in town they ran into [Alfred]'s brother, [Peter]. [Rudolph] and his son [Peter] went to the park to look for different kinds of birds.
proof_state: [{('Johnny', 'grandfather', 'Rudolph'): [('Johnny', 'father', 'Alfred'), ('Alfred', 'father', 'Rudolph')]}, {('Alfred', 'father', 'Rudolph'): [('Alfred', 'brother', 'Peter'), ('Peter', 'father', 'Rudolph')]}]