Please choose the correct ending to complete the given sentence: River tubing: Several people carry intertubes into the river, climbing on them. They ride the intertubes down the waves of the river and over small waterfalls. they

Ending1: ride under a bridge, then float in the water. Ending2: ride for several more days through rocky terrain and small waterfalls and views of the water. Ending3: use the intertubes as anchors as they ride to the bottom, and continue their lives. Ending4: continue riding around the river together.

Answer format: ending1/ending2/ending3/ending4