Please choose the correct ending to complete the given sentence: Polishing shoes: A kneeing man talks to the camera. The man uses some shoe polish to polish a pair of black shoes. the man

Ending1: takes a silver shoe, and gives a different shoe to the camera. Ending2: paints the shoes with that equipment. Ending3: holds up and displays the polished shoes. Ending4: polishes the shoes with negative hair products.

Answer format: ending1/ending2/ending3/ending4