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: fat is used to keep animals warm, Fact2: Humans are a new type of animal., Question: what uses fat to keep warm? (A) Lobsters (B) bacon (C) humans (D) pigeons (E) insects (F) omnivores (G) plants (H) bears
answer:
C


question:
Fact1: Rivers are usually larger than streams., Fact2: Watersheds are creeks, streams and rivers., Question: What is a river also? (A) storing water (B) loose soil (C) dangerous (D) fertile (E) more abundant (F) watershred (G) body water (H) kinetic
answer:
F


question:
Fact1: fluoride decreases tooth decay, Fact2: Fluorides Fluorides are the salts of hydrofluoric acid., Question: The salts of hydrofluoric acid do what to tooth decay? (A) heating (B) amebiasis (C) swelling nodes (D) Type O (E) secreting (F) decrease it (G) precipitation (H) hard tissue
answer:

F