Please choose the correct ending to complete the given sentence: Polishing shoes: Shoe polish supplies in a store, then people in a classroom get instructions about shoe polish. The teacher demonstrates to polish a boot using a tissue. then

Ending1: , a man polish with nails and polish a boot. Ending2: , the woman screws the an shoes to polish an sneakers shoe. Ending3: , two people polish the boot using a croquet mallet to demonstrate how to properly polish and maintain polish. Ending4: , a girl polish the shoe of a woman using a cloth.

Answer format: ending1/ending2/ending3/ending4