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").

Example Input: Fact1: Gymnosperms are vascular plants that produce seeds in cones., Fact2: Gymnosperms are the plants that are known as evergreens., Question: What are vascular plants that produce seeds in cones? (A) evergreens (B) it needs them (C) Leptospirosis (D) epidermal (E) Conifers (F) white (G) Newton (H) more abundant
Example Output: A

Example Input: Fact1: soil is formed by weathering, Fact2: Over time, the slow processes of weathering and erosion can turn large rocks into sand., Question: What is formed by erosion processing large rocks? (A) cracks (B) crust (C) Newton (D) roots (E) pan (F) soil (G) potash (H) biome
Example Output: F

Example Input: Fact1: Insulin helps cells take up glucose from the blood., Fact2: For example, insulin is a protein hormone., Question: What helps cells take up glucose from the blood? (A) Chemical energy (B) Veins and arteries. (C) layers of fat (D) sweating (E) protein hormones (F) aqueous solution (G) oxidation reaction (H) pancreas
Example Output:
E