Please choose the correct ending to complete the given sentence: Laying tile: An introduction comes onto the screen for a video about laying a floor. The floor is swept, cleaned, and prepared for the process. the men

Ending1: solve a rubik's cube and took turns solving it. Ending2: then begin waxing the floor of a bathroom for easy brushing. Ending3: open and clean a stone floor, put tiles on it, and then cut and tile out from underneath the floor, sides, corners, ceiling and as roman candles. Ending4: begin to lay the vinyl flooring across the floor one piece at a time.

Answer format: ending1/ending2/ending3/ending4