Please choose the correct ending to complete the given sentence: Kayaking: A group of people are riding rafts through a cavernous river. They paddle as they glide past large cliffs. they

Ending1: slowly float through a narrow canyon filled with rapids. Ending2: go under an empty space in the rocks. Ending3: ride through mountains on their boards. Ending4: go up and down the steep river above.

Answer format: ending1/ending2/ending3/ending4