story: [Myrna] visited her mother [Gabrielle] and introduced her newborn daughter [Lucille] to her.
query: ('Lucille', 'Gabrielle')
clean_story: [Myrna] visited her mother [Gabrielle] and introduced her newborn daughter [Lucille] to her.
proof_state: [{('Lucille', 'grandmother', 'Gabrielle'): [('Lucille', 'mother', 'Myrna'), ('Myrna', 'mother', 'Gabrielle')]}]