Please choose the correct ending to complete the given sentence: Spinning: A female news reporter speaks to a fitness instructor inside a gym, where cyclists are riding fitness bikes. exercises such as yoga and bicycling

Ending1: are demonstrated by those in the gym. Ending2: are shown on the screen next to images of the fitness instructor. Ending3: are shown done in different sizes and models of bikes. Ending4: are shown on the screen with text disclaimer.

Answer format: ending1/ending2/ending3/ending4