dialogue: Sherwin: The Johnsons are on their way back. You remember them, don't you? 
  Madeleine: Johnson? I can't place them. 
  Sherwin: We met them in Bermuda last May. 
  Madeleine: They've completely slipped my mind. 
  Sherwin: The couple with the dogs-think back. 
  Madeleine: No, I don't recall a thing about them. 
  Sherwin: Well, I've invited them for brunch. 
  Madeleine: Hmm, I must be getting absent-minded. 
summary: Sherwin helps Madeleine to recall the Johnsons but fails.