Please choose the correct ending to complete the given sentence: Cleaning sink: The howcast logo appears and the title of the video, how to clean the bathroom sink and the dirty sink is shown. the items that are needed to wash the sink

Ending1: appear and they add up to 1 bottle of detergent. Ending2: was listed and individually put in the sink. Ending3: are also featured with graphics. Ending4: are shown from behind.

Answer format: ending1/ending2/ending3/ending4