Please choose the correct ending to complete the given sentence: Welding: A man bends down wearing a mask and starts welding. He stops and uses a tool to scrape what he just welded. he

Ending1: then starts welding again. Ending2: rubs the steel together and screws it into place. Ending3: moves the hand and continues talking about it. Ending4: shows off his finished work, laughs, and waves for the crowd.

Answer format: ending1/ending2/ending3/ending4