Please choose the correct ending to complete the given sentence: Youth: [header] How to look cool [title] Choose classic pieces. [step] Trends pieces are great for the here and now, but investing in classic pieces means that your cool will never go out of style. Make street-chic easily accessible by mixing and matching these timeless basics into your closet : [substeps] White t-shirt skinny jeans white button down trench coat sunglasses boots hats statement jewelry [title] Wear some cool shades.

Ending1: [step] Neutral colors make your wardrobe go a little bit old-school, and the contrast might help bring to the forefront the look. Go with wall-to-wall styles, though. Ending2: [step] Shades create a scaffolding effect to your features to add symmetry and attractiveness on your face. It adds an air of mystery because it eliminates a person's ability to see your emotions through the windows of your soul. Ending3: [step] In order to avoid spending a fortune on a high street fashion item, choose classic colors. Reflect on your fashion dreams with flashy sunglasses or colorful scarves, and don't let your trusty sunglasses fly off the shelf. Ending4: [step] Another important criterion that makes cool a success is the exact shade of cool you want to look. Sometimes wearing glasses and great clothes will just look wrong.

Answer format: ending1/ending2/ending3/ending4