Please choose the correct ending to complete the given sentence: Swimming: Two people are laying stomach side down in a shallow pool. They start kicking the water with their legs. they

Ending1: dive into the swimming pool below them. Ending2: finish and throw the pool towel down. Ending3: hold onto a rope and the boat quickly flips over. Ending4: grab flotation devices and practice swimming with them.

Answer format: ending1/ending2/ending3/ending4