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: Fertilization occurs when a sperm and an egg fuse., Fact2: Pregnancy begins with a fertilized egg., Question: what begins when a sperm and an egg fuse? (A) Leptospirosis (B) cellular regeneration (C) h2o (D) seeds (E) death (F) pollen (G) pregnancy (H) competition
[A]: G


[Q]: Fact1: Caffeine is a central nervous system stimulant., Fact2: Cocaine is a stimulant and increases the user's heart rate and blood pressure., Question: What does caffeine do? (A) Increase fame (B) increases a body's strength (C) Release energy (D) Increase user's heart rate (E) Transfers energy (F) decrease stamina (G) Increase intelligence (H) Increase wealth
[A]: D


[Q]: Fact1: rocks interacting with wind over long periods of time causes weathering, Fact2: Limestone is the rock formed by calcite., Question: What causes weathering when interacting with wind? (A) technology (B) soils (C) graptolites (D) loose soil (E) erosion (F) limestone (G) plants (H) apes
[A]:
F