Please choose the correct ending to complete the given sentence: Spinning: A group of people are inside a dimly lit building. They are wearing christmas outfits while riding spin bikes. the people

Ending1: ride around on the bikes in a line while bumping each other into a wall. Ending2: try to move the bikes as they move them around. Ending3: continue riding the bikes outdoors, building up some ground for their racing. Ending4: are taking a christmas spin class.

Answer format: ending1/ending2/ending3/ending4