Please choose the correct ending to complete the given sentence: Roof shingle removal: A building with the words "roof replacement" is shown. the video

Ending1: starts with a aerial view of each floor as well as men on windsurfing in a large pool. Ending2: then cuts to a timer and it's four past five. Ending3: shows various stills of the process of re-roofing a home. Ending4: begins with maps and text.

Answer format: ending1/ending2/ending3/ending4