story: [Crystal] took her son [David] to the park. [James]'s son, [David], loves going to the zoo with his grandmother [Michelle].
query: ('James', 'Michelle')
clean_story: [James]'s son, [David], loves going to the zoo with his grandmother [Michelle].
proof_state: [{('James', 'mother', 'Michelle'): [('James', 'son', 'David'), ('David', 'grandmother', 'Michelle')]}]