Please choose the correct ending to complete the given sentence: Cleaning shoes: The person with black apron spray a white foam on the shoes. The person brush the shoes with white foam on it. the person

Ending1: rubs the foam with alcohol located in the bottom of the shoes. Ending2: juggles the foam on the shoe and spray the shoes. Ending3: brushed the shoes after the foam is gone and began spraying a chemical in it and polished the metal part of the shoes. Ending4: brushes the roller with yellow foam.

Answer format: ending1/ending2/ending3/ending4