Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Immunology is the study of the immune system. Given the two facts above, what is one thing studied in immunology?

Options are: (i) illness. (ii) antigens. (iii) humanism. (iv) health. (v) philosophy. (vi) resistance. (vii) symbology. (viii) fever.
A:
(ii)