I think some more examples would have clearly laid out what was expected of a caption. Here is a link of what I think you wanted:
http://www.neopets.c...html?place=1371
Though I'm guessing this is probably what the inspiration comes from. Lenny's / Ralis' Conundrum whew
Caption contests have been around much longer than neopets lol.
Nearly every magazine and newspaper in the country has held these contests, which is probably why these young'ins didn't understand the rules. Kids nowadays don't read newspapers and magazines, what with their techno music and their facebooks and twitters!