Please choose the correct ending to complete the given sentence: Roof shingle removal: A technician walks along a roof and sprays it using a wand attached to a hose. the man

Ending1: then bags a carpet of some sort and sprays it on the roof. Ending2: then uses a vacuum and begin vacuuming the floor on the the roof. Ending3: removes hoses and shakes the roof and cleans the wooden wall. Ending4: turns off his hose then walks along the peak of the roof.

Answer format: ending1/ending2/ending3/ending4