Please choose the correct ending to complete the given sentence: Cleaning windows: A man is inside a living room of a house. He is using a platform to hold a loose window. he

Ending1: uses a brush to clean the window as he shows how it is done. Ending2: scrapes this loose window off the wall. Ending3: pushes it forward, sliding it back. Ending4: continues scuffing the sill until the window is clean.

Answer format: ending1/ending2/ending3/ending4