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").

Q: Fact1: Playing is one way mammals and other animals learn how to behave., Fact2: Opossums are a type of mammal called marsupials., Question: what plays to learn how to behave? (A) opossums (B) humans (C) people (D) fish (E) exercise (F) ants (G) h2o (H) catabolism

A: A
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Q: Fact1: erosion of soil has a negative impact on the environment, Fact2: Weathering and erosion continue to shape it today., Question: What has a negative impact on the environment? (A) harmful substances (B) weathering of soil (C) saving water (D) planting trees (E) deforestation (F) massive damage (G) recycling (H) enormous damage to homes

A: B
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Q: Fact1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins., Fact2: RNA polymerase joins the RNA nucleotides together., Question: DNA contains what for proteins where polymerase joins the nucleotides together. (A) genetic instructions (B) Most plants (C) energy (D) allow growth (E) acids (F) it needs them (G) bases (H) Chemical energy

A:
A
****