story: [Peter] is a man with a niece named [Ellen]. [Lisbeth] took her daughter, [Ellen], out to High Tea yesterday afternoon. [Lisbeth] went with her husband [Alfred] to the park to watch the sunset. [Johnny] was so excited to introduce his new girlfriend to his mother, [Lisbeth].
query: ('Alfred', 'Peter')
clean_story: [Lisbeth] went with her husband [Alfred] to the park to watch the sunset. [Lisbeth] took her daughter, [Ellen], out to High Tea yesterday afternoon. [Peter] is a man with a niece named [Ellen].
proof_state: [{('Alfred', 'brother', 'Peter'): [('Alfred', 'daughter', 'Ellen'), ('Ellen', 'uncle', 'Peter')]}, {('Alfred', 'daughter', 'Ellen'): [('Alfred', 'wife', 'Lisbeth'), ('Lisbeth', 'daughter', 'Ellen')]}]