(case involves issue of first impression in Florida - whether a prank can give rise to a negligence action against the prankster; plaintiff was dating defendant when defendant induced plaintiff to climb to top of cliff at lakeshore; plaintiff scared to come down alone and defendant tricked plaintiff to jump into lake by deceiving her that he had fallen into the lake and that she should jump in to save him; plaintiff did so and was injured; trial court dismissed case on basis that defendant had no legal duty to prevent plaintiff from jumping into lake; appellate court reversed, reasoning that defendant created foreseeable zone of risk in the form of a fall due to terrain, gravity or a combination thereof; case reversed and remanded).