Please choose the correct ending to complete the given sentence: Installing carpet: People pull up carpet in a room. They paint the floor and put a pad on it. They put hardwood floors over the padding. they

Ending1: use tiling all around the wooden floors. Ending2: roll the carpet to make it flat. Ending3: iron and wax the floor. Ending4: paint the wooden floor and lay another layer on it.

Answer format: ending1/ending2/ending3/ending4