Please choose the correct ending to complete the given sentence: Cleaning sink: A person cleans an extremely dirty sink with a paper towel. the title, tubotowels ,

Ending1: glugs appears on screen. Ending2: appears on the screen. Ending3: and the camera pans left to show a room full of sinks. Ending4: appears on the screen while the man barbers.

Answer format: ending1/ending2/ending3/ending4