story: [Michael] took his son [Kirk] out for ice cream. [Stanley] and his son [Michael] went to the cinema together. [Michelle] was excited to visit her son, [Kirk], at college.
query: ('Michelle', 'Stanley')
clean_story: [Michelle] was excited to visit her son, [Kirk], at college. [Michael] took his son [Kirk] out for ice cream. [Stanley] and his son [Michael] went to the cinema together.
proof_state: [{('Michelle', 'father', 'Stanley'): [('Michelle', 'son', 'Kirk'), ('Kirk', 'grandfather', 'Stanley')]}, {('Kirk', 'grandfather', 'Stanley'): [('Kirk', 'father', 'Michael'), ('Michael', 'father', 'Stanley')]}]
edge_types: ['son', 'father', 'father']