Please choose the correct ending to complete the given sentence: Assembling bicycle: A box is sitting on the floor next to a plastic display. A man flips over a bike in the plastic. he

Ending1: removes and replaces a tire on the bike. Ending2: stands up then runs towards a yellow bike. Ending3: picks it up and shows it to the camera. Ending4: plugs a memory stick in then puts it in another box.

Answer format: ending1/ending2/ending3/ending4