Please choose the correct ending to complete the given sentence: Laying tile: Then he smears cement onto the floor and lies the tiles on top of it. He hammers the tiles a little to make them lie flat. then floor

Ending1: is placed on top of the tiles and elided. Ending2: is now finished and he wipes the tiles off making them shiny. Ending3: top he rotates around putting visible lines between the floors. Ending4: works again and the floor is done.

Answer format: ending1/ending2/ending3/ending4