Please choose the correct ending to complete the given sentence: Cleaning windows: It changes to color, then a man is shown cleaning a window. The equipment sits gathered together, cutting to the clean window. the man

Ending1: moves to a clean window and demonstrates how to tighten the screws. Ending2: cleans the window again, raking the cleaner across the window over and over before wiping it dry with a rag. Ending3: holds up the box he is using, then walks away. Ending4: cleans it thoroughly with a pair of clipper pressure rakes.

Answer format: ending1/ending2/ending3/ending4