Question: Author Kurt Vonnegut, who is most famous for his novel Slaughterhouse-Five, created Granfalloon, which is defined as a "false karass" in the fictional religion of what?
Sentence (from "Kurt Vonnegut"): Kurt Vonnegut Jr. ( ; November 11, 1922April 11, 2007) was an American writer.
Relevant evidence: Yes