Please choose the correct ending to complete the given sentence: Welding: Several boxes are stacked in piles. A man turns on a welding tool, sparks flying. he

Ending1: cuts the wires as he sprays the contents with water. Ending2: removes the pieces, replacing them with new ones. Ending3: sprays some white paint onto the boxes, then gets another tool and puts it on a huge nail. Ending4: uses the tool to weld something on the floor.

Answer format: ending1/ending2/ending3/ending4