Please choose the correct ending to complete the given sentence: Fixing bicycle: The man puts the seat back on the bike. The man uses the tool to adjust the seat on the side. the man

Ending1: checks the seat for tightness a last time. Ending2: removes the handle bars of the bike and tightens it. Ending3: puts the kickstand on the bike. Ending4: matches holding the on z knees and straightens the seat so it looks comfortable.

Answer format: ending1/ending2/ending3/ending4