story: [Alfred] has a sibling who is much younger than he is. They get along well and his name is [Peter]. [Casey] went to the park with his father, [James]. [Lisa]'s brother [Alfred] took her to the fair when she was little. [Alfred] also brought his brother [James].
query: ('Lisa', 'Casey')
clean_story: [Lisa]'s brother [Alfred] took her to the fair when she was little. [Alfred] also brought his brother [James]. [Casey] went to the park with his father, [James].
proof_state: [{('Lisa', 'nephew', 'Casey'): [('Lisa', 'brother', 'James'), ('James', 'son', 'Casey')]}, {('Lisa', 'brother', 'James'): [('Lisa', 'brother', 'Alfred'), ('Alfred', 'brother', 'James')]}]