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: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Birds live on Earth, trees live on Earth., Question: what results in higher levels of uv radiation reaching the place birds and trees live? (A) emissions (B) earthquakes (C) oxidation reaction (D) ozone depletion (E) global warming (F) important habitats (G) fairies (H) the ozone layer strengthening
[A]: D

[Q]: Fact1: DNA is found in chromosomes., Fact2: Chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes., Question: What comes in coiled strands? (A) hair (B) RNA (C) ovum (D) dogs (E) gene (F) poop (G) ice (H) DNA
[A]: H

[Q]: Fact1: Arteries generally carry oxygen-rich blood., Fact2: Arteries turn into smaller arteries called arterioles., Question: Arterioles carry what type of blood? (A) epidermal (B) Carbon Dioxide (C) Plasma (D) Oxygen-rich (E) oxygen (F) heat or cold (G) aqueous solution (H) Type AB
[A]:
D