Please choose the correct ending to complete the given sentence: Fixing bicycle: A man is standing in front of a bicycle as he talks. He uses a scredriver to adjust a tire. he

Ending1: uses a long hose to adjust the wheel. Ending2: repeats, loosening and tightening the bolt. Ending3: then works on polishing it using a scraper. Ending4: proceeded to apply different materials to the bicycle.

Answer format: ending1/ending2/ending3/ending4