story: [Christopher] took his mother [Gabrielle] and his daughter [Anna] to the movies Saturday.
query: ('Gabrielle', 'Anna')
clean_story: [Christopher] took his mother [Gabrielle] and his daughter [Anna] to the movies Saturday.
proof_state: [{('Gabrielle', 'granddaughter', 'Anna'): [('Gabrielle', 'son', 'Christopher'), ('Christopher', 'daughter', 'Anna')]}]