This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to apply makeup for homecoming
Apply concealer.
Dab under eyes, paying special attention to any' problem areas'.
Using a soft toothbrush ,' scrub' your lips till they are plump and smooth.

Available choices:
(I) Apply a colorless lip balm. Apply concealer in a line under the lip, accenting the natural color of your lips.;
(II) Using sugar water, cleanse your face to start the coverage process. Then, put on blush or lip gloss using your finger.;
(III) Use concealer at around three-quarters of the length of your face. Using concealer at that length can make your face pop.;
(IV) Clean it, then apply concealer on any blemishes. You can also use cream, bronzer or concealer gel.;
The answer is:
(I)