Please choose the correct ending to complete the given sentence: Fixing bicycle: A tire for a bicycle spins, and a man catches it. We see a question written on paper, then a man in a bike shop as he talks. he

Ending1: hooks the tire to the rear tire of the bike. Ending2: presses buttons on a key that spins. Ending3: demonstrates how to remove the rubber of a tire from the frame and replace it. Ending4: takes a break from talking, then we see him hovering with a tool.

Answer format: ending1/ending2/ending3/ending4