Task: Text Categorization
Input (English): In one of this author's short stories, a girl hides a suicide note in a French literature exam and, along with Cynthia, comes back to haunt the narrator. This author of "The Vane Sisters" compared writing fiction to composing a chess problem in his memoir Speak, Memory. He created a prisoner who does not know when he is to be killed for the fictitious crime of "gnostical turpitude", Cincinnatus C, in Invitation to a Beheading. In his magnum opus, the title character is described as "light of my life, fire of my loins" by the narrator, who shoots Clare Quilty. For 10 points, name this author who described Humbert Humbert's sexual obsession with Dolores Haze in Lolita.
Output (English): Literature