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").

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
F

Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself
G

Fact1: Echinoderms use pheromones to communicate with each other., Fact2: Ascothoracican barnacles attach to echinoderms or corals., Question: corals use what to communicate with each other (A) Energy (B) pheromones (C) kinetic energy (D) produce light (E) heat produced (F) heat energy (G) Chemical energy (H) sound
B