Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to decorate a contemporary christmas tree [title] Assemble the things you'll need. [step] In particular, it is important to choose items that are elegant and reflect the beauty of christmas in winter : [substeps] White organza painted birch twigs snowflakes icicles crystal beaded garlands assortment of baubles and ornaments assortment of larger baubles and ornaments [title] Choose your lights. [step] Unwind your string of lights.

Ending1: Only use straight strings of lights at this stage since they are too heavy and will fall out anyway. Take your largest sheet and lay it over the front of your tree. Ending2: Led lights are a better option than regular fairy lights. If one led bulb goes out, the rest will still work unlike fairy lights. Ending3: This will give the finished tree its look, as well as prevent the lights from warping. [substeps] If you need bigger christmas lights, reshape your christmas lights to match the feel of your tree. Ending4: Wrap both beforehand and neatly to help your decorations stay put. Your lights should be separate from your ribbon or garland, and be tied together at the ends.

Answer format: ending1/ending2/ending3/ending4