Please choose the correct ending to complete the given sentence: Hand car wash: A video about auto maintenance is shown. cars

Ending1: are cleaned and advice is given to detail one's car. Ending2: are being cleaned using blow brush. Ending3: are washed, small tires are filled with the powder, and tires are inflated. Ending4: are shown from the dirty side and people are wiping them off with brooms.

Answer format: ending1/ending2/ending3/ending4