Please choose the correct ending to complete the given sentence: Assembling bicycle: A man is seen talking inside a building. He has components from a bike and some tools. he

Ending1: unloads the equipment into a van and begins piecing together parts. Ending2: demonstrates how to replace and repair that part of the bike. Ending3: uses the tools to weld the bike after using a spare tarp. Ending4: is explaining what he needs to splice a bike.

Answer format: ending1/ending2/ending3/ending4