Please choose the correct ending to complete the given sentence: Laying tile: A sign board is seen with a company logo and contact information. A construction worker screws down floor baseboards. a construction worker

Ending1: shakes the dust around in a box while welding. Ending2: uses a handheld scraper to apply plaster to the bare floor. Ending3: nails tiles together on an asphalt floor. Ending4: lifts tiles to place in a protection configuration.

Answer format: ending1/ending2/ending3/ending4