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: Cells are programmed to divide only a set number of times., Fact2: Cells reproduce asexually, by dividing., Question: Cells are programmed to _  only a set number of times. (A) migrate (B) expand (C) A computer (D) Most plants (E) allow growth (F) reproduce (G) contract (H) constrict

A: F
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Q: Fact1: All animals are heterotrophs., Fact2: Heterotrophic bacteria derive energy from the breakdown of organic molecules., Question: What derive energy from the breakdown of organic molecules? (A) Most plants (B) hydrocarbons (C) potatoes (D) all stones (E) all water sources (F) all mountains (G) all animals (H) Generating heat

A: G
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Q: Fact1: Biodiversity generally increases from the poles to the equator., Fact2: Biodiversity contributes to ecosystem complexity., Question: Where is ecosystem complexitiy generally least? (A) humans disturb it (B) frontal zones (C) in lakes (D) at the ocean (E) our planet (F) at the poles (G) mouth of rivers (H) at the equator

A:
F
****