Please choose the correct ending to complete the given sentence: Fixing bicycle: A close up is seen of a bolt being removed with a screw driver. a wheel

Ending1: is then replaced with a tire and the repaired wheel springs are installed. Ending2: is removed and the bike is towed away. Ending3: is removed from a bicycle. Ending4: is underneath, then the person welds the tire in place.

Answer format: ending1/ending2/ending3/ending4