story: [Rudolph] was making lemonade for his grandson [Willie] and granddaughter [Louise]. [Willie]'s father [Alfred] was out buying sugar. [Lisbeth] took her daughter [Louise] to school during the cold winter morning.
query: ('Alfred', 'Rudolph')
clean_story: [Rudolph] was making lemonade for his grandson [Willie] and granddaughter [Louise]. [Willie]'s father [Alfred] was out buying sugar.
proof_state: [{('Alfred', 'father', 'Rudolph'): [('Alfred', 'daughter', 'Louise'), ('Louise', 'grandfather', 'Rudolph')]}, {('Alfred', 'daughter', 'Louise'): [('Alfred', 'son', 'Willie'), ('Willie', 'sister', 'Louise')]}]