story: [Otto] was so proud that his son [John] won the science fair! [Otto] asks his son [William] to get his grandmother [Michelle] a glass of water
query: ('Otto', 'Michelle')
clean_story: [Otto] asks his son [William] to get his grandmother [Michelle] a glass of water
proof_state: [{('Otto', 'mother', 'Michelle'): [('Otto', 'son', 'William'), ('William', 'grandmother', 'Michelle')]}]