Please choose the correct ending to complete the given sentence: Fixing the roof: The hand drills a hole with an electric tool. The hand screws two nail into holes with an electric tool. the person

Ending1: rings out parts of the nail with the tool. Ending2: leaves with the electric tool. Ending3: is sewing something. Ending4: irons a square metal part.

Answer format: ending1/ending2/ending3/ending4