story: [Alfred]'s son [Kenneth] and daughter [Louise] went to stay a cabin with [Kenneth]'s grandmother, [Sandra]. [Kenneth] and his sister [Anita] got their mother [Anita] a new computer for her birthday. She really liked it.
query: ('Sandra', 'Louise')
clean_story: [Alfred]'s son [Kenneth] and daughter [Louise] went to stay a cabin with [Kenneth]'s grandmother, [Sandra].
proof_state: [{('Sandra', 'granddaughter', 'Louise'): [('Sandra', 'grandson', 'Kenneth'), ('Kenneth', 'sister', 'Louise')]}, {('Kenneth', 'sister', 'Louise'): [('Kenneth', 'father', 'Alfred'), ('Alfred', 'daughter', 'Louise')]}]