Please choose the correct ending to complete the given sentence: Zumba: A group is dancing inside a gym. they

Ending1: are moving in unison, keeping time to the beat. Ending2: engage in martial arts moves. Ending3: are holding onto a pole to balance as they dance. Ending4: have a routine going on that involves men handling weight in different places and on biking benches.

Answer format: ending1/ending2/ending3/ending4