Please choose the correct ending to complete the given sentence: Snow tubing: Several people have gathered at the top of a snowy hill. they

Ending1: line up shoulder to shoulder on the slope below. Ending2: are showing traditional climbing techniques. Ending3: march together in small groups as they walk, pass, and kayak together. Ending4: ride tubes all the way to the bottom.

Answer format: ending1/ending2/ending3/ending4