story: [Chad] took his sister [Jennifer] to the movies with him to see the new Star Wars film. [Jason] taught his granddaughter, [Jennifer], how to fish.
query: ('Chad', 'Jason')
clean_story: [Chad] took his sister [Jennifer] to the movies with him to see the new Star Wars film. [Jason] taught his granddaughter, [Jennifer], how to fish.
proof_state: [{('Chad', 'grandfather', 'Jason'): [('Chad', 'sister', 'Jennifer'), ('Jennifer', 'grandfather', 'Jason')]}]