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: Molecules of DNA are encoded with instructions that tell cells what to do., Fact2: Genes, made of DNA, carry the instructions for building proteins., Question: what do genes carry? (A) pollen (B) Energy (C) calories (D) instructions (E) Chemical energy (F) fat (G) acid (H) colors
[A]: D

[Q]: Fact1: rocks interacting with wind over long periods of time causes weathering, Fact2: On Earth, rocks are weathered by wind and water, creating soil and sand., Question: What causes rocks to weather? (A) seasons (B) force (C) erosion (D) storms (E) water (F) heat (G) lightning (H) gas
[A]: E

[Q]: Fact1: using renewable resources to generate power reduces greenhouse gases, Fact2: Renewable resources include water, timber, wind., Question: what can you use to generate power to reduce greenhouse gases? (A) bamboo (B) coal (C) fibers (D) watts (E) energy (F) fossil fuels (G) trees (H) wind
[A]:
H