Please choose the correct ending to complete the given sentence: Slacklining: Two males are outside at a kids park with a red slack line attached to the equipment at the park. the young man

Ending1: begins to tight rope the line while bare foot and wobbling across the sand. Ending2: begins to perform with the slack line in various kinds of skating ways and then lanes. Ending3: is riding his " rota " with a frisbee attached to a chain while the young man is riding on his " rota " cable car. Ending4: pulls on the slack line who shows he's put it in the water to jog and then he remembers to pull it back with the butt of his uniform and a helped man helps him attach it back to the equipment in the water.

Answer format: ending1/ending2/ending3/ending4