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: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
answer:
D


question:
Fact1: astronauts require preserved food for extended flights, Fact2: Most of the Shuttle foods are preserved by dehydration, which saves weight and storage space., Question: astronauts require what food for extended flights? (A) Echinoderm. (B) layers of fat (C) dehydrated (D) fresh (E) hand picked (F) nutrients (G) frozen (H) hydration
answer:
C


question:
Fact1: Hormones control many cell activities, so they are very important for homeostasis., Fact2: Homeostasis is the chemical equilibrium of the body., Question: What is important for the chemical equilibrium of the body?  (A) Hormones (B) Chemicals (C) Blood (D) exercise (E) hydration (F) sleep (G) glucose (H) Cancer
answer:

A