Please choose the correct ending to complete the given sentence: Vacuuming floor: A person uses a vacuum cleaner the clean the carpet of debris in a room sweeping it back and forth. the vacuum cleaner collecting bucket

Ending1: and bucket and dancing in a room vacuums the floor of a room. Ending2: is moved in order to reach a new area of carpet. Ending3: dust. Ending4: cleaner and rolling it across floor.

Answer format: ending1/ending2/ending3/ending4