Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to make your canadian tire minibike do over 70 mph [title] Take off the rear fender, headlight, mock gas tank, and the clutch and chain cover. [title] Go to your local tsc store or farming supplies store and buy 40 or 41 roller chain. [title] Remove the two chains' master links, using a flat screwdriver or needle-nosed pliers.

Ending1: [title] Remove clutch by taking off the snap ring and loosening off the bolt. [step] Slide the clutch off the engine shaft. Ending2: [title] Put on your college id and change into your normal street uniform. [title] Replace your school id (if you have one) and clutch. Ending3: [title] Open the clutch cover of a plastic bucket. [title] Remove both master links from each side of the bucket in order to expose the clutch compartment. Ending4: [title] Take off the top bar of the bike. [title] Get out your toarper, the tin rivet, and screw it on and you are ready to go.

Answer format: ending1/ending2/ending3/ending4