Jimmy wrote --

  DS>> 5) A sign above the door of a building, noting "School For The
 JA> Gifted".
  DS>> The door says PULL, but this student is CONSTANTLY doing the opposite
  DS>> (PUSH), and can't figure out why the door won't open.

 JA> LOL - thanks for the laughs! Most of those I remembered seeing, but not
 JA> all, and even the ones that I did remember I still chuckled at. :-)

  I like the sign, that goes around the net every so often:
  If the door doesn't open when you push, then pull.
  If it doesn't open when you pull, then we're closed.
  Joe