Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to buy a mountain bike [title] Decide which type of bike you would like. [step] There are many different kinds of mountain bikes. Each type specializes in a particular riding style.

Ending1: Talk to your parents, or consult online shop for ideas. [substeps] Bikes with full range saddles are the ideal type of bike for mountain riding, as they will leave you with a balanced balance between strengthening your back and increasing your endurance. Ending2: Think about how much you can buy to get around on your mountain bike. [title] Check out the vet's website. Ending3: Think about any modifications you need to make, and consider whether you would like to pull the bike off you and operate the bike or drive it home on your own. [substeps] Mountain bikes are frame bikes that might resemble small skateboards, but they are mounted on poles. Ending4: Based on what you will use your mountain bike for, decide whether you would like a cross country bike, trail bike, freeride bike, downhill bike, or trial/dirt jumping bike. If you are new to mountain biking and just want a general, standard mountain bike, choose a trail bike.

Answer format: ending1/ending2/ending3/ending4