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: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex
[A]: D

[Q]: Fact1: Chromosomes are coiled structures made of DNA and proteins., Fact2: DNA is deoxyribonucleic acid., Question: chromosomes are coiled structures made of proteins and what? (A) solid, liquid, gas (B) density (C) Something that causes allergies (D) deoxyribonucleic acid (E) It helps them survive (F) inheritance (G) blood cells (H) allow growth
[A]: D

[Q]: Fact1: Hormones control many cell activities, so they are very important for homeostasis., Fact2: Hormones travel in the bloodstream to cells that are called target cells a., Question: what allows molecules to travel to control many cell activities (A) skin (B) heat energy (C) animal transport (D) bloodstream (E) Chemical energy (F) nasal passage (G) movement (H) fat tissue
[A]:
D