Please choose the correct ending to complete the given sentence: Sailing: Men are on the ocean doing windsurfing. A lot of men are on olympics doing windsurf on ocean. people

Ending1: is windsurfing in a competition on the sea. Ending2: are sitting on big the beach drying their wet. Ending3: is on an apron doing windsurfing. Ending4: are windsurfing in an open court in the beach with heavy surf waves.

Answer format: ending1/ending2/ending3/ending4