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: 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: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Pulmonologists treat lungs and respiratory systems., Question: what does a breathing mask keep harmful particles from entering? (A) skin (B) tissue (C) stomach (D) h2o (E) H20 (F) air (G) lungs (H) gas masks
[EX A]: G

[EX Q]: Fact1: when a river floods , that river deposits soil in flood plains, Fact2: By far the mightiest of the great rivers is the Amazon ., Question: When the Amazon floods it deposits what in flood plain? (A) earth (B) cities (C) rocks (D) dirt (E) seawater (F) Sand (G) saltwater (H) soil
[EX A]:
H