Question: In the Land of the Head Hunters and The Emperor's Naked Army Marches On, are a type of what?
Sentence (from "The Emperor's Naked Army Marches On"): The documentary centers on Kenzo Okuzaki, a 62-year-old veteran of Japan's campaign in New Guinea in the Second World War, and follows him around as he searches out those responsible for the unexplained deaths of two soldiers in his old unit.
Relevant evidence: No