Please choose the correct ending to complete the given sentence: Swimming: People dive into the pool and start swimming. A person reaches the end and takes their goggles off. they

Ending1: wave at the camera and smile. Ending2: start swimming back and forth toward the end. Ending3: finish diving and get back in the water. Ending4: continue swimming, and then they're in a pool jumping in small inflatable tubes.

Answer format: ending1/ending2/ending3/ending4