Please choose the correct ending to complete the given sentence: Welding: A man in yellow and black suit welds a steel. he

Ending1: stops the welding job. Ending2: puts individual screws into the welds. Ending3: smiles wide and demonstrates how to use the steel to mend pieces of wood. Ending4: backs away, welding as he talks.

Answer format: ending1/ending2/ending3/ending4