Please choose the correct ending to complete the given sentence: Horseback riding: People ride horses in the shallow waters of the sea. People ride the horses in the water along the shore. a horse

Ending1: defecates in the water. Ending2: jumps a rope in the water. Ending3: stands in the sand in front of the sea blowing wind. Ending4: is floating on the water.

Answer format: ending1/ending2/ending3/ending4