instruction:
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").
question:
Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Mammals breathe air with lungs., Question: What may be caused by an infection or injury of the organs used to breathe air? (A) Toxicity (B) smoking (C) fertilization (D) pneumonia (E) a broken leg (F) oxygenation (G) Dehydration (H) the skin
answer:
D


question:
Fact1: Evolution is a change in the characteristics of living things over time., Fact2: Evolution relies on random chance acts to cause mutations., Question: What causes changes in characteristics of living things over time? (A) mutations (B) science (C) parents (D) environment (E) light energy (F) news (G) alleles (H) animals
answer:
A


question:
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
answer:

D