Please choose the correct ending to complete the given sentence: Fixing the roof: A guy removes nails and pieces of the roof. A guy removes dirt and twigs from the corner of the roof. a guy

Ending1: measures and cuts pieces for the roof. Ending2: vacuums in an empty room. Ending3: uses a small diameter chisel and parts to pry down nails. Ending4: backs the guy up with a tire.

Answer format: ending1/ending2/ending3/ending4