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: 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: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Shade trees can be deciduous., Question: What can shed their leaves? (A) rabbit (B) Power plants (C) insects (D) swamp vegetation (E) mammals (F) Shade trees (G) animals (H) Most plants
[EX A]: F

[EX Q]: Fact1: Most ecosystems get energy from sunlight., Fact2: Life Living things interact in ecosystems., Question: Living things interacting get energy from what? (A) Light (B) flares (C) water (D) The Sun (E) wind (F) glucose (G) sunlight (H) food
[EX A]:
G