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: cooking food requires adding heat energy, Fact2: Meat is a nutrient-dense food., Question: what requires adding heat energy to cook? (A) edible (B) corn (C) apples (D) coffee (E) making (F) trout (G) sugar (H) meat
[A]: H


[Q]: Fact1: Insulin helps cells take up glucose from the blood., Fact2: Insulin made by a person's own pancreas is endogenous insulin., Question: what type of compounds produced by a person's pancreas help cells take up compounds (A) Energy (B) natural (C) mineral (D) endogenous (E) Break down food (F) it needs them (G) sweat glands (H) Energy.
[A]: D


[Q]: Fact1: Roundworms make up the phylum Nematoda., Fact2: Also, nematoda and rotifera are important groups contributing to soils., Question: Where are roundworms useful in an ecosystem? (A) killing animals (B) soils (C) fields (D) bacteria (E) eating plants (F) wetland (G) food (H) alveoli
[A]:
B