Please choose the correct ending to complete the given sentence: Slacklining: A man is standing outside by a pool, talking as another man stands on the other side. the second man

Ending1: is seen demonstrating how to use the olympic jug as a splash guide, even though he's indoors. Ending2: approaches and performs the same trick. Ending3: is now washing his hands at the sink. Ending4: balances on a string and walks over the water, staying balanced by waving his arms at his sides.

Answer format: ending1/ending2/ending3/ending4