Please choose the correct ending to complete the given sentence: Assembling bicycle: We see a quick title screen. We then see a man working on various things in a bike factory. the man

Ending1: puts a bike together quick, puts it in a box, then on a conveyor belt. Ending2: is riding in the bike welding. Ending3: shaves parts of the bike frame. Ending4: adds cans of spray paint, plaster and smooths them down.

Answer format: ending1/ending2/ending3/ending4