<prompt> Gram staining sequence isCarbol fuchsin Iodine Acetone Methyl violetMethyl violet Iodine Acetone Carbol fuchsinMethyl violet Acetone Iodine Carbol fuchsinCarbol fuchsin Acetone Iodine Methyl violet  <response>: Primary stain Crystal violet or Methyl violet Mordant Grams iodineDecolorizer Acetone or EthanolSecondary stain Safranin or Carbol fuchsin 