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

How to heal sore lips
Look for lip products with petroleum.
The most popular name-brand petrolatum product is vaseline, though off-brand products are often just as effective. Though there were concerns about the safety of some petrolatum products on the european market, those issues have been resolved, and petrolatum products score well in safety ratings.

Select from the following.
(a). Go for products that include vaseline and petrolatum. Have your child make their own with petrolatum..
(b). Petrolatum creates a protective seal over the skin that locks in moisture to prevent lips from drying out, reducing soreness. Use dimethicone products on your lips..
(c). Popular brands of petrolatum include nasally, minoxidil, and buffaloe. If you currently live in the u.s..
(d). Vaseline is a thick, translucent adhesive that seals wound wounds, but ensures that the wound remains clean, matte, and moist. Avoid petrolatum products unless absolutely necessary..
The answer is:
(b).