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: the Earth being tilted on its rotating axis causes seasons, Fact2: Weather changes from season to season., Question: Which natural occurrence comes from Earth being tilted on a rotating axis? (A) Changing weather (B) graptolites (C) permineralization (D) Movement (E) subtropical (F) dry and hot (G) swamp vegetation (H) global warming
answer:
A


question:
Fact1: Veins generally carry deoxygenated blood., Fact2: Arteries and veins are blood vessels., Question: what generally carries deoxygenated blood? (A) blood vessels (B) animals (C) layers of fat (D) mammals (E) critical organs (F) an organism's body (G) elephants (H) athletes
answer:
A


question:
Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Streptococcal pneumonia is caused by the bacteria Streptococcus pneumoniae., Question: What can make lungs more at risk for infection by streptococcus? (A) Allergies (B) bacteria (C) Pollution (D) injury (E) fungi (F) sweating (G) the skin (H) smoking
answer:

D