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").

[EX Q]: Fact1: natural disasters can cause animals to leave an environment, Fact2: And like fire, flooding is a common and widespread natural disaster., Question: What can cause animals to leave their environment? (A) predators (B) rainfall (C) space travel (D) flooding (E) drought (F) mines (G) wind (H) weather
[EX A]: D

[EX Q]: Fact1: harming an animal species has a negative impact on the population size of that species, Fact2: Sometimes hunting can impact animal populations., Question: What does hunting do to a species? (A) Plant growth is reduced (B) Decreases population (C) protect them (D) cause their death (E) Creates demand for the species (F) Strengthens the species (G) massive damage (H) Increases population
[EX A]: B

[EX Q]: Fact1: harming an animal species has a negative impact on the population size of that species, Fact2: Some species of amoeba are harmful parasites., Question: what can negatively impact a species? (A) chemicals (B) elephant (C) cells (D) dog (E) drought (F) mines (G) steroids (H) amoeba
[EX A]:
H