Please choose the correct ending to complete the given sentence: Swimming: A woman and man are shown swimming backward in the water of a pool. They demonstrate different techniques as the swim. the names of the various methods

Ending1: are shown on a whiteboard. Ending2: appear on the screen between examples. Ending3: used by the instructor, and the sponsors. Ending4: involved are shown by the ladies as they demonstrate the techniques.

Answer format: ending1/ending2/ending3/ending4