Please choose the correct ending to complete the given sentence: Laying tile: There's a contractor working on a deck. He begins installing the interlocking wooden tiles on a concrete deck surface. he

Ending1: takes his plastic wallpaper out of the window and replaces it with an' easy money quality' paint, and installing fancy railings. Ending2: covers the entire deck with the wooden tiles to evenly cover the surface area. Ending3: is laying one tiles onto an inner-circle with mortar. Ending4: uses a welding tool to weld the wood quickly.

Answer format: ending1/ending2/ending3/ending4