story: [Sandra] is married to Thomas and when she was 24, the couple welcomed [Carol] into the world. [Alfred]'s son, [Kenneth], loves going to the zoo with his grandmother [Sandra]. [Alfred] is frustrated teaching his son how to drive. His son is [Willie].
query: ('Alfred', 'Carol')
clean_story: [Alfred]'s son, [Kenneth], loves going to the zoo with his grandmother [Sandra]. [Sandra] is married to Thomas and when she was 24, the couple welcomed [Carol] into the world.
proof_state: [{('Alfred', 'sister', 'Carol'): [('Alfred', 'mother', 'Sandra'), ('Sandra', 'daughter', 'Carol')]}, {('Alfred', 'mother', 'Sandra'): [('Alfred', 'son', 'Kenneth'), ('Kenneth', 'grandmother', 'Sandra')]}]