Please choose the correct ending to complete the given sentence: Fixing the roof: Man is holding a hammer fixing the roof of a garage. man

Ending1: is standing in the rooftop adding a black mix. Ending2: is standing in a room fixing a window on a cabinet. Ending3: is standing in front of a table buffing the table with a rag. Ending4: is wearnig work ot welding a piece of metal.

Answer format: ending1/ending2/ending3/ending4