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: 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: Courtship is behavior that is intended to attract a mate., Fact2: Complex courtship rituals precede mating., Question: What are behavior that is intended to attract a mate? (A) a doorbell (B) firm hugs (C) Complex rituals (D) Riding a bike (E) Behaviour modifications (F) Magnets (G) honeybees (H) Friendship
[A]: C


[Q]: Fact1: Energy is passed up a food chain or web from lower to higher trophic levels., Fact2: Calories are units of energy., Question: what are passed up a food chain or web from lower to higher trophic levels? (A) calories (B) Light (C) atmosphere (D) DNA (E) heat (F) fossil fuels (G) animals (H) photons
[A]:
A