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: 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: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: An abalone is a shellfish or mollusk., Question: What has a circulatory system with one or two hearts that pump blood? (A) a fish (B) sharks (C) abalone (D) elephants (E) humans (F) crocodiles (G) giraffes (H) fur seals
answer:
C


question:
Fact1: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: Blood is pumped by the heart into blood vessels called arteries., Question: Mollusks have a circulatory system with one or two hearts that move blood into what? (A) eyes (B) caverns (C) body water (D) food (E) lungs (F) allow growth (G) drink (H) arteries
answer:

H