A man was crossing th rivr whn h accidntally droppd his sword into th rivr. Immdiatly h mad a mark on th boat whr th sword had falln. "This is whr my sword fll off, I shall find my sword by this mark." h said.
Whn th boat stoppd moving, h wnt into th watr to look for his sword at th plac whr h had markd th boat. Ndlss to say, it was uslss. Th boat had movd but th sword had not. H was unabl to find th lost sword.