A redhead, a brunette and a blonde are stranded on the rooftop of a burning building.

The firemen are holding a net below and call to the redhead to jump. She does. The firemen pull the net away from her.

Next the firemen call to the brunette to jump. She is a little doubtful after seeing what happened to the redhead. The firemen assure her: " We hate redheads. Go ahead and jump!" She does. The firemen pull the net away from her.

Now it's the blonde's turn to jump. She, of course, is no dummy after seeing what has happened. She tells the firemen below:" Do you think I'm a fool? I saw what happened!"

The firemen tell her: " We hate redheads and brunettes but we love blondes. JUMP!"

The blonde says: " OK - but I have a few conditions. FIRST - drop that net and back away..."