Task: Question Generation
Input (English): Context : Charles Saunders, noting that an Amazon.com reviewer had characterized the novel as ``Conan in Vietnam'' and ``accuses Carpenter of loading Conan the Hero with 'every Vietnam cliche in the book,''' agrees that ``the Vietnam references are far from subtle'' and ``(t)o anyone familiar with the United States'' involvement with the Vietnam War, the allegory is abundantly -- and sometimes painfully -- clear.'' 
Subject : Conan the Hero 
Relation : series
Output (English): What series is Conan the Hero from?