Alan chooses not to wear sunscreen because the oils build up on his skin. What is Alan trying to prevent, and what is he failing to prevent?
O Alan is trying to prevent skin cancer but failing to prevent acne.
O Alan is trying to prevent acne but failing to prevent skin cancer.
O Alan is trying to prevent psoriasis but failing to prevent eczema.
O Alan is trying to prevent eczema but failing to prevent psoriasis