Please choose the correct ending to complete the given sentence: Laying tile: A construction worker screws down floor baseboards. A construction worker uses a handheld scraper to apply plaster to the bare floor. a worker

Ending1: screws up tile in showcase covering the floor. Ending2: places tiles onto the floor and uses plastic cross spacers in the groves. Ending3: uses a screwdriver to adjust the placement of the base of the baseboards. Ending4: steps on to platform to remove furniture.

Answer format: ending1/ending2/ending3/ending4