Please choose the correct ending to complete the given sentence: Putting on shoes: Young man lifts up his ankle. Man wearing black pants puts on a white sock. man

Ending1: in white socks mounts the top rung of the weight lifting bar. Ending2: stands in the dance studio holding a polka dot burlesque piece with four black dots on it. Ending3: is loosening his black shoe laces. Ending4: rubs the leg of the black shoe with a towel.

Answer format: ending1/ending2/ending3/ending4