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: thick fur can be used for keeping warm, Fact2: When the body is warm, heat production is minimized., Question: thick fur can be used for minimizing what? (A) heat energy (B) heat production (C) scattered light (D) energy usage (E) freezer burn (F) movie production (G) fur production (H) Temperature
[EX A]: B

[EX Q]: Fact1: Cells are the microscopic building blocks of organisms., Fact2: Plants and animals are organisms., Question: What are cells in plants and animals? (A) production of energy (B) absorb light energy (C) large building blocks (D) sub-units of species (E) cellulitis (F) microscopic bulding blocks (G) disease (H) microorganisms
[EX A]: F

[EX Q]: Fact1: wind causes erosion, Fact2: Soil Erosion Soil erosion is a natural process., Question: wind causes what kind of process in the soil (A) cycles (B) friction (C) kinetic (D) heat (E) unnatural (F) volcanic (G) bacterial (H) natural
[EX A]:
H