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").

[Q]: 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
[A]: E


[Q]: Fact1: a scale is used for measuring weight, Fact2: All weight is in pounds., Question: what is a scale used for measuring? (A) waves (B) hardness (C) SI units (D) measures (E) intensity (F) fat (G) strength (H) pounds
[A]: H


[Q]: Fact1: photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves, Fact2: Plants are Earth's producers., Question: Plants convert carbon dioxide, water, and solar energy into what?"  (A) Lipids (B) Carbohydrates (C) food and shelter (D) Protein (E) Whole Grains (F) Greenhouse gases (G) Organic compounds (H) chemical messengers
[A]:
B