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: glass cause refraction of light, Fact2: Refraction Refraction is the bending of light rays., Question: Glass causes the _ of light (A) intensification (B) bending (C) photons (D) a wave (E) Pollution (F) blocking (G) heat (H) amplification
[A]: B

[Q]: Fact1: soil erosion means soil loss through wind, Fact2: Soil erosion is one of the leading causes of water pollution in the United States., Question: What is one consequence of soil loss? (A) Decrease bodily water (B) humans disturb it (C) drying out (D) flooding (E) contamination (F) deforestation (G) chemical changes (H) Water pollution
[A]: H

[Q]: Fact1: when a plant grows , the size of the leaves of that plant may increase, Fact2: All oaks are plants., Question: What can happen to an oak's leaves when the oak grows? (A) they increase in size (B) Localized damage (C) Earth revolving around the sun (D) they decrease in size (E) Exfoliation (F) The bending of a ray of light (G) they catch fire (H) they float into space
[A]:
A