Please choose the correct ending to complete the given sentence: Assembling bicycle: A man is seen walking in and out of frame putting objects onto a bike frame. he

Ending1: puts on his goggles and begins adjusting the bike positioned against the wall. Ending2: continues putting objects on the frame to eventually create a bicycle. Ending3: stands with tools to remove them and puts them on the bike frame again. Ending4: uses a tool all along the bike to fix the bike and then does the same again in slow motion.

Answer format: ending1/ending2/ending3/ending4