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: Skin color is another polygenic trait., Fact2: Most dental variations are polygenic, that is controlled by several genes., Question: Skin color is a trait controlled by what? (A) prokaryotic cells (B) one gene (C) enzymes (D) keratin (E) one's descendants (F) several genes (G) the environment (H) a single gene
[A]: F


[Q]: Fact1: Populations of viruses do not grow through cell division because they are not cells., Fact2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves., Question: What are viruses not? (A) self-copies (B) an object (C) HIV (D) humans (E) infectious (F) homogenous (G) dangerous (H) prokaryotes
[A]: H


[Q]: Fact1: the vanes rotating in an electric fan causes air to move, Fact2: Fans move air, providing a cooling breeze., Question: What is provided by vanes rotating in an electric fan? (A) heat energy (B) cool breezes (C) torrential rains (D) Animal survival (E) kinetic energy (F) loud storms (G) energy (H) hot winds
[A]:
B