Task: Text Categorization
Input (English): This work's narrator takes on a job previously held by a Dane named Fresleven who died in a dispute over some hens. The narrator of this work notes that "the snake had charmed me" in reference to a map he pored over as a child. A Russian assistant to this work's protagonist is called "Harlequin" because of his multicolored clothing. Another character in this work paints a dark portrait of his fiance and ends a report with the line "Exterminate all the Brutes!" This work takes place aboard the Nellie as Charles Marlow describes a man whose lasts words were "The horror, the horror!" For 10 points, name this work by Joseph Conrad about a voyage up the Congo to find Kurtz.
Output (English): Literature