In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

[EX Q]: Fact1: ultraviolet light causes sunburn, Fact2: Furthermore, sunburn can cause premature aging and skin cancers., Question: What can ultraviolet light cause? (A) chemical changes (B) Cold skin (C) killing insects (D) Healthy skin (E) disease (F) Skin cancer (G) symptoms (H) Low temperatures
[EX A]: F

[EX Q]: Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Antigens prompt the body to produce antibodies., Question: Antigens are molecules that prompt the what of antibodies? (A) termination (B) failure (C) humans (D) decrease (E) production (F) anemia (G) rapid expansion (H) kinetic
[EX A]: E

[EX Q]: Fact1: a mold spore has a negative impact on the respiratory system, Fact2: Mold spores, for example, are microscopic., Question: What can cause respiratory issues? (A) smoking tobacco (B) a pathogens (C) Microscopic organisms (D) Normal humidity (E) some viruses (F) Clean air (G) smoking pipes (H) Mild weather
[EX A]:
C