instruction:
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").
question:
Fact1: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction? (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery
answer:
B

question:
Fact1: a plant requires sunlight for photosynthesis, Fact2: Photosynthesis is the process of making food., Question: What do plants require to make food? (A) nutrients (B) sunlight (C) photons (D) Energy. (E) Light (F) Proteins (G) power (H) heat energy
answer:
B

question:
Fact1: plasma is formed by electrons separating from atoms in stars, Fact2: Most of the universe is in the plasma state., Question: Most of the universe is composed of what separated from atoms in stars? (A) energy (B) Joules (C) nucleus (D) matter (E) oxygen (F) RNA (G) atoms (H) Energy.
answer:
G