Please choose the correct ending to complete the given sentence: Work World: [header] How to build a horse fence gate [title] Purchase treated wood. [step] Choose a sturdy, weather-resistant wood. You'll need two gateposts, plus enough wood to build your gate.

Ending1: You can find ready-made posts at your local hobby or hunting store. Attach the gate to the fence using stakes. Ending2: Measure the size of the posts you'll need and set them aside. [substeps] You'll need at least 12 post lengths to 1 side. Ending3: [substeps] For a typical horse, each post should be at least 8 feet (2.4 meters) long, so it stands about 5.3 ft (1.6 m) above the ground. For tall draft horses or jumpers, each post should be 12 ft (3.7 m) long, and stand about 8 ft (2.4 m) above the ground. Ending4: Make sure the posts or legs of your fence are level so that any potential barbed wire doesn't penetrate the metal. [substeps] You can obtain treated wood online or from your local hardware store.

Answer format: ending1/ending2/ending3/ending4