Please choose the correct ending to complete the given sentence: Cleaning windows: A person is seen cleaning a window and pouring liquid into a bucket. The person holds up tools and dips them in the bucket. he

Ending1: cleans a window using several tools and looking at the window. Ending2: then pours water into the bucket and runs water back and fourth. Ending3: then pours water into a sink while the camera pans around him. Ending4: then brushes the window clean while still moving toward the camera.

Answer format: ending1/ending2/ending3/ending4