Please choose the correct ending to complete the given sentence: Welding: The man starts welding something on a metal table. He stops welding, lifts his face mask and adjusts things in the table. he

Ending1: takes a break and talks to the camera underneath the face mask and closes his eyes. Ending2: then lowers his face mask and starts welding again. Ending3: finishes and removes his mask. Ending4: moves the mask, looking on the table.

Answer format: ending1/ending2/ending3/ending4