Please choose the correct ending to complete the given sentence: Welding: A man is standing at a table with a blue mask on. He begins welding something on the table. he

Ending1: turns around and talks to another man. Ending2: increases the speed of the welding. Ending3: stops welding and starts to lift his mask. Ending4: faces the camera and buffs his right foot.

Answer format: ending1/ending2/ending3/ending4