Complex sentence: On cross-examination he testified that he had seen "all but three of those negroes ravish that girl", but then changed his story, claiming he had not even seen "any white women" until the train "got to Paint Rock".
Split into simpler sentences: On cross-examination he testified that he had seen "all but three of those negroes ravish that girl", but then changed his story. He said that he had not seen "any white women" until the train "got to Paint Rock".