Please choose the correct ending to complete the given sentence: Fixing bicycle: The man talks to the camera while stopped on his bike. The man is shown something on his bike using a small tool. the man

Ending1: uses the tool to repliumatthew the fuel on the bike and used the smaller tool on the motorcycle. Ending2: uses a roller again. Ending3: demonstrates how the pedal and chains work. Ending4: replicates the tool on his bike.

Answer format: ending1/ending2/ending3/ending4