Apu: Oh, Mrs. Simpson: it may interest to you to know we're having a
sale on blue dye #52. It is your hair color, I believe.
Marge: Whatever do you mean? I don't die my hair. [sheepish laughter]
Moe: Naw, naw, you got it wrong, 'pu. She's blue #56.
Marge: I don't know what you're talking about. [walks off]
Edna: We just love your husband's class.
Marge: [driving away] That's nice...
-- A fine cover-up, "Secrets of a Successful Marriage"