Please choose the correct ending to complete the given sentence: Plataform diving: A crowd is gathered in an arena. Swimmers are lined up on a diving board. the swimmers

Ending1: dive under the water. Ending2: are swimming back and forth between the two heights. Ending3: are diving head first from the top of the arena onto the pool. Ending4: take turns diving off the diving board.

Answer format: ending1/ending2/ending3/ending4