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: Evolution occurs in response to a change in the environment., Fact2: Animals react instinctively to changes in their environment., Question: What occurs in animals as they respond to changes in their habitat? (A) starvation (B) evolution (C) arousal (D) relocation (E) resistance (F) dependency (G) Leptospirosis (H) Movement
B

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: fog is formed by water vapor condensing in the air, Fact2: Components of water (H2O) 2., Question: What kind of vapor condenses to form fog in the air? (A) h2o (B) Oxygen (C) H20 (D) Dew (E) NaCl (F) sodium chloride (G) rain (H) mountain ranges

A