Please choose the correct ending to complete the given sentence: Installing carpet: Man is kneeling on the floor holding carpet tiles. man

Ending1: is boxing in a gym holding carpet tiles. Ending2: is talking with a sumo about the floor. Ending3: is doing lifts in the floor of a house. Ending4: takes out the plastic from the plastic tiles and put them in the floor.

Answer format: ending1/ending2/ending3/ending4