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: Heat is essentially the source of energy., Question: Doing what to food requires adding the source of energy? (A) burning (B) burying (C) degrading (D) hydration (E) boiling (F) Light (G) sharing (H) cooking
[A]: H

[Q]: Fact1: insect bites cause harm to living things, Fact2: Iguanas are a lot like dogs, people and other living things., Question: What can an insect to do cause harm to people? (A) humans (B) Injury (C) Bite an iguana (D) Bite a dog (E) deadly (F) Bite (G) death (H) Bite an insect
[A]: F

[Q]: Fact1: Mollusks are a major food source for other organisms, including humans., Fact2: Mollusks are invertebrates and are no exception., Question: What is a major food source for humans? (A) poison dart frogs (B) honeybees (C) barnacles (D) intervertebrates (E) other humans (F) photosynthesis (G) the body's largest organ (H) Most plants
[A]:
D