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: Protozoa can be classified on the basis of how they move., Fact2: Paramecium are protozoa, single celled animals., Question: What is a way to categorize paramecium?  (A) the smell (B) coliform (C) the taste (D) canis lupus (E) how they move (F) the length (G) skin color (H) coelenterates
answer:
E


question:
Fact1: Active immunity results when an immune response to a pathogen produces memory cells., Fact2: Vaccination is Active Acquired Immunity., Question: What results when an immune response to a pathogen produces memory cells? (A) anemia (B) vaccination (C) kill them (D) competition (E) lie detectors (F) rapid expansion (G) killing insects (H) it needs them
answer:
B


question:
Fact1: Mammals have a layer of fat under the skin to help insulate the body., Fact2: All whales are mammals., Question: what have a layer of fat under the skin to help insulate the body? (A) animals (B) dermis (C) humans (D) bears (E) whales (F) goats (G) insects (H) h2o
answer:

E