Please choose the correct ending to complete the given sentence: Work World: [header] How to be a catalog model [title] To be a catalog model, need a fit and toned body with clear skin and good teeth. [step] Yellow teeth can be off putting to the reader. [substeps] To whiten teeth, use whitening strips that can be found at any local store, follow the package directions.

Ending1: Pink is for your face, and red, light pink, and yellow show off the apple tone that got you started. You can make all of your wardrobe the same colour or mix it up to create a classy look for anyone passing by. Ending2: Or, have your teeth whitened professionally at your dentist, some will even allow you to buy the extra strength whitener they use, be careful and follow instructions given to you by your dentist. For clearer skin, there are many facial washes you can use, but choose simple gentle soaps. Ending3: Clean your teeth by brushing gently and keeping your mouth full of saliva. The best way to whiten teeth is using whitening strips, which you must purchase at your local hardware store. Ending4: Apply toothpaste in tiny strips with whitening strips. Rinse gently with warm water and vigorously wet your lips.

Answer format: ending1/ending2/ending3/ending4