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: Consumers take in food by eating producers or other living things., Fact2: Animals are consumers , they feed on the primary producers or on other consumers., Question: What takes in food by eating producers or other living things? (A) humans (B) fur seals (C) trees (D) fungi (E) algae (F) animals (G) people (H) plants
[EX A]: F

[EX Q]: Fact1: a greenhouse is used to protect plants by keeping them warm, Fact2: Flower size varies by plant., Question: How does a greenhouse protect flowers? (A) keeps them away from the sun (B) keeps them warm (C) keeps them out of soil (D) an external framework (E) it needs them (F) keeps them cold (G) rays or beams (H) by indirect light
[EX A]: B

[EX Q]: Fact1: Specialization occurs when competing species evolve different adaptations., Fact2: Genetic variation enables a species to adapt and evolve to new circumstances., Question: Genetic variation enables (A) spread flower seeds (B) Most plants (C) Plants growth (D) Animal survival (E) rapid expansion (F) Plant reproduction (G) animals (H) specialization
[EX A]:
H