Please choose the correct ending to complete the given sentence: Snow tubing: A large intertube is shown on the screen. A bunch of sledders get on the tubes. they

Ending1: ride them down a steep hill together. Ending2: use them to carry the party up the hill. Ending3: all go through the intertubes. Ending4: show themselves snowboarding down a hill at a fast speed.

Answer format: ending1/ending2/ending3/ending4