Please choose the correct ending to complete the given sentence: Polishing shoes: The teacher demonstrates to polish a boot using a tissue. Then, a girl polish the shoe of a woman using a cloth. a person

Ending1: polish the polished boot with the cloth. Ending2: polish the shoes of young people who are wearing clean shoes. Ending3: cleans a shoe with a machine using an orange cloth. Ending4: takes pictures and a cameraman film.

Answer format: ending1/ending2/ending3/ending4