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: 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: Flagella help prokaryotes move., Fact2: Flagella and cilia are similar in structure., Question: What helps movement? (A) stamina (B) fur (C) cilia (D) hair (E) kinetic (F) nerves (G) motors (H) elastic
answer:
C


question:
Fact1: Gene flow occurs when individuals move into or out of a population., Fact2: Gene flow tends to decrease differentiation., Question: What tends to occur when individuals move into or out of a population? (A) competing for resources (B) extinction (C) matter is destroyed (D) metabolic reaction (E) rapid exponential growth (F) seed dispersal (G) decreased differentiation (H) permineralization
answer:

G