Please choose the correct ending to complete the given sentence: Installing carpet: The man lifts up the carpet, then the person gives the man a carpet runner with nails while talking both men. After, the man puts the carpet runner on the wood step and hummers the loosed nails. next

Ending1: , the man uses soldering iron to showing how far the first wood step to fit vertically. Ending2: , the man puts the carpet runner on the wooden step and is vacuuming the wood. Ending3: , the man put on the carpet and uses a machine and a hammer to fix the loosed carpet. Ending4: , the man spreads the carpet on the floor, then covers it with carpet, then he seats it on the floor.

Answer format: ending1/ending2/ending3/ending4