Please choose the correct ending to complete the given sentence: Making a cake: We see the crumb coat on the cake. We see detail being added to the bike. We see the wheel being made for the bike. the brakes

Ending1: are put on and the bike starts. Ending2: on the bike are removed and cars are driven. Ending3: on the bike loses traction. Ending4: are made then handle bars.

Answer format: ending1/ending2/ending3/ending4