Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to make a teepee [title] Get some canvas. [step] Traditionally, teepees were made from tanned buffalo or deer hides, which were water resistant and pliable. Since buffalo skin is relatively difficult to acquire nowadays, most modern teepees are made using canvas.

Ending1: Smaller teepees are difficult to manage fires in, so if you're going to build one, you might as well build one of significant size. [substeps] For a comfortably-sized teepee, you'll want a piece of canvas roughly 15 x 30 feet. Ending2: Canvas also boosts in paciness and flexibility, so a small rug or pattern is your best bet. [substeps] Canvas is light, durable and covers a lot of space. Ending3: [title] Find 1 to 4 inches (2.5 to 5.7 cm) of tightly woven cord. [step] Purchase a good 3-5 inches (7.6 to 7.6 cm) cord. Ending4: [substeps] Start by laying a sheet of canvas on the floor of your teepee. You may need to thread a sewing thread or yarn through the canvas to make sure it fits.

Answer format: ending1/ending2/ending3/ending4