Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to begin hiking [title] Get a good pair of boots. [step] This allows you to take yourself further than wearing trainers or flat soled shoes. A reliable, sturdy and supportive boot is best.

Ending1: [title] If you do not already have shoes, have a pre-existing hiking style. [step] Think front and back if you may go across it, back and forth if you may go uphill, front and back if you are over 400 meters. Ending2: [title] Wear shin guards under your boots, inside your boots. [step] There is no need to stay with them while hiking on the trail. Ending3: Also make sure your boots are right for the environment you will be using them in (for example, a pair of heavy duty waterproof boots are a bad choice for desert hiking). Your boots should be suited to you and your environment. Ending4: [title] Your fleece stocking will feel heavy when you first begin to hike. [step] This is usually due to friction between your toes.

Answer format: ending1/ending2/ending3/ending4