Please choose the correct ending to complete the given sentence: Assembling bicycle: The people put a bike on a rack. We see the people putting the bike together. The boy puts the handlebar on. we

Ending1: see a man put on the back tire. Ending2: see the names of the bikes. Ending3: see the ending title screen. Ending4: see the ending screen.

Answer format: ending1/ending2/ending3/ending4