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: Carbon cycles quickly between organisms and the atmosphere., Fact2: Water, carbon dioxide, and nitrogen are all needed by living things., Question: What is needed by living things? (A) hate (B) sunlight (C) Chemical energy (D) pain (E) love (F) hydration (G) The atmosphere (H) Energy.
answer:
G


question:
Fact1: melting means changing from a solid into a liquid by adding heat energy, Fact2: Ice is the solid form of water., Question: What changes ice to water by adding heat energy? (A) mussels (B) melting (C) freezing (D) fertilization (E) storms (F) boiling (G) engines (H) condensation
answer:
B


question:
Fact1: Mammals generate heat mainly by keeping their metabolic rate high., Fact2: Gray Squirrel Management Tree squirrels are common Alabama mammals., Question: What generate heat mainly by keeping their metabolic rate high? (A) elephants (B) fur seals (C) bacteria (D) alpacas (E) tree squirrels (F) animals (G) batteries (H) the Sun
answer:

E