Please choose the correct ending to complete the given sentence: Roof shingle removal: A worker removes moss from the top of a roof. Another worker sprays water all over the roof. the roof

Ending1: is shown being cleaned, shingles being sanded, and gutters being pushed off. Ending2: is photographed and straightened out. Ending3: is completed shopping cards are put together as a final touch to show the finish product. Ending4: is then really clean.

Answer format: ending1/ending2/ending3/ending4