With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Ironically ( or perhaps not ) , the notion of the ' degenerate ' and ' degenerate art ' was appropriated by the Nazis and its origins can be traced back to Jewish ' intellectual ' Max Nordau and a 1892 book he authored called Degeneration . .
text_B: The authoring did not happen
not-entailed.