Please choose the correct ending to complete the given sentence: Installing carpet: The man in brown shirt is talking to the camera. The man placed a tool on the carpet with long pole. the man

Ending1: is polishing the carpet. Ending2: put a sock on after vacuuming. Ending3: wires a yellow wire between two windows facing him. Ending4: used the stretcher to flatten the carpet on the floor.

Answer format: ending1/ending2/ending3/ending4