A brunette is standing on some train tracks, jumping from rail to rail, saying "21" "21" "21". A Blonde walks up, sees her and decides to join her.©JOKEDEMO.COM

She also starts jumping from rail to rail, saying "21" "21" "21". Suddenly, the brunette hears a train whistle, and she jumps off the tracks just as the Blonde is splattered all over the place.©JOKEDEMO.COM

The brunette goes back to jumping from rail to rail, counting, 22" "22" "22".