Please choose the correct ending to complete the given sentence: Welding: He starts to weld the corner of the room. The man sands the corner where he was welding. He continues to weld in the same corner. the man

Ending1: slackens the weld, turns off the lights and other people enter throughout the building. Ending2: pushes his helmet up and replaces the wires and sands the same area again. Ending3: is indicating the lights to the weld with his form. Ending4: takes the paint hose and sprays the finished wall.

Answer format: ending1/ending2/ending3/ending4