Please choose the correct ending to complete the given sentence: Assembling bicycle: The man adjusts a and talks off the front tire, and folds the bike in half on itself. the man

Ending1: takes an oil rag and rubs it over the tire several times, then he fills in the final screws. Ending2: fastens the tire, taking the jack out of the case before using the wheel. Ending3: unfolds the bike and puts the tire back on. Ending4: takes off the jack from the tire.

Answer format: ending1/ending2/ending3/ending4